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SMI Experiment Center 2

1. Randomization of Duration The duration time of stimuli where applicable can either be a fixed value in ms or a time range larger than 500ms e g 500 4000 In case of a time range the duration time is randomized within the given limits 6 3 7 Subject Properties For use in the BeGaze 2 3 application you can define individual subject group parameters for the experiment These parameters are entered as subject properties and serve as additional information to your experiment Useful properties may be Age and Gender The subject properties are stored as meta information in a separate file written to the experiment s results directory Add subject property To add new subject properties proceed as follows 1 Inthe Extras menu select the Subject Property Editor command The Subject Property Editor dialog opens Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 52 Ar Subject Property Editor Add Delete Property Name ee LA KT 2 Click Add 3 In the following Please enter the property name dialog enter the name of the new property e g Gender A Please enter the new property name x Name CS Conca 4 Click OK to confirm your entry When you start a new experiment the Please enter subject information dialog opens where you can enter the individual subject s data see Starting New Subject 55 2009 SensoMoto
2. Bottom toolbar Select Stimulus Monitor OA gt WADISPLAY2 x DrvRun R On the bottom of the Application Window you find commands to run an experiment and export experiment data To perform these actions use the following buttons Button Function mal Identify Identifies the current stimulus monitor A Dry Run Runs experiment for test purposes without y calibration and recording e Record Starts the trial to show stimuli while recording the subjec s gaze position Sto Stops a running trial same as the F12 p function key Automatically creates or updates the experiment in BeGaze 2 3 which is opened for analysis BeGaze This button is enabled if BeGaze 2 3 is currently not running and there are results available for the loaded experiment B On the bottom toolbar you also find the Select Stimulus Monitor drop down list This menu is necessary to select the monitor in dual screen mode see Double Monitor Settings 23 2009 SensoMotoric Instruments GmbH Version 2 3 71 SMI Experiment Center 2 7 3 Menu Commands The Experiment Center 2 3 software includes the following menu entries File menu Function New Creates a new experiment Ctrl N Open Opens an existing experiment ICtrl 0 Save Saves the experiment with given name Ctrl S Save as Saves the experiment with new name Delete Experiments Removes one or more experiments from the da
3. 3 Inthe Fit Image to Screen field click to open a drop down list Select Yes to display the image in full screen mode Note that the scaling preserves the aspect ratio of the image Select No if you want to keep the image s original size The display area not covered by the 2009 SensoMotoric Instruments GmbH Version 2 3 43 SMI Experiment Center 2 stimulus is filled with the calibration background color 4 Inthe Record User Events field click to open a drop down list Select Yes if user events such as key presses except function keys and mouse clicks should be recorded in the resulting IDF file You can evaluate recorded user events in BeGaze 2 3 later on Otherwise select No default 6 3 5 4 Movie Stimulus Element You can use a movie file in your experiment The movie file needs to be playable with the installed Microsoft Media Player see Supported File Formats 82 Insert stimulus element To insert a movie video stimulus element proceed as follows wand 1 Click in the top toolbar The Select Movie dialog opens 2 Select the desired movie from the directory list You can also select multiple movies from the directory 3 Click Open In the Application Window a new movie stimulus element is added to the list of stimuli If you have selected multiple movies each movie is added as a separate stimulus element zl Movies are automatically re encoded during import if they are not st
4. Experiment Center 2 Manual Version 2 3 May 2009 AM SensoMotoric Instruments I SMI Experiment Center 2 Table of Contents Part Introduction 2 Part il How to Read this Document 4 Part II Important Notice 6 Part IV Overview 8 1 General Product Information 8 Produ t Variante oye nea sante 8 Dongle Protection and License Update s sssssssssseeesees 8 2 Features and Benefits 11 3 Basic Operation neee aeueo 13 A System Setup 14 Part V Configuration 17 1 Global Settings sic 503 cc scccied ate nn tntresenns 17 2 Network Settings 19 3 Double Monitor Settings 23 Part VI Step by step Instructions 26 1 Step by step Overview sisi 26 2 Starting Experiment Center 27 2009 SensoMotoric Instruments GmbH Contents Il 3 Preparing Experiments 28 Creating a New Experiment ssecenseseeseeeeeesseeseeseenseneeeees 28 Loading and Changing an Experiment sscesceeserseeeeeeee 29 Saving Experiment ns 30 Delete Experiments c cccssesseeessteesseesseeeeseeeesseesseeesneesseeseeees 32 Stimuli Settings a dene aaae naaa 33 CalibratiOn ss E E E E T 35 Text Stimulus Element ss 37 Image Stimulus Element 4 Movie Stimulus Element 43 Web Stimulus Element 44 Screen Recording Stimulus Element 47 Randomization Groups and Durat
5. Step by step Instructions 40 Property window 4 Select the appropriate text stimulus in the list of stimuli 5 Inthe Properties pane click the 224 button in the Content field The text editor window opens displaying the text stimulus 6 Edit the test and or change it s properties 7 Click OK to close the text editor window Direct Button Trigger AOI 1 Use the direct button Add Trigger AOI in the preview pane to add an AOI on the text During execution this area is not visible and triggers the presentation of the next stimuli when the respondent looked more than Dwell time milliseconds into that area The AOI can be moved and changed in size within the text area 2 Edit the Dwell time in ms which should be used dwell time to trigger the next stimuli The default dwell time is 1000ms a If the reading package is licensed AOls on text elements for further analysis in BeGaze 2 3 are automatic generated during experiment execution 2009 SensoMotoric Instruments GmbH Version 2 3 41 SMI Experiment Center 2 6 3 5 3 Image Stimulus Element You can use a single image in your experiment as well as a series of images to perform a slideshow Insert stimulus element To insert an image stimulus element proceed as follows e 1 Click in the top toolbar The Select Image dialog opens 2 Select the desired image from the directory list bmp jpg png wmf or tif files Y
6. Serial Bus controllers tree does not show any yellow warning signs The screen shot below shows a functional USB port with a correct Windows driver installation 2009 SensoMotoric Instruments GmbH Version 2 3 97 SMI Experiment Center 2 Device Manager File Action View Help System devices 6 Aladdin HASP HL Key GS Aladdin HASP Key Aladdin USB Ke Intel r 82371 4B EB PCI to USB Universal Host Controller gt ISR Rank Huh If the dialog displays a warning sign for a driver right click the entry and select the Update Driver command from the context menu 3 Verify that the dongle driver is installed properly Open the Windows Control Panel and double click the Add or Remove Programs icon Check if the list shows the HASP SRM Run time entry E Add or Remove Programs Si Currently installed programs Sort by Name v Change or p J a Remove amp Agent Ransack Size 1 28M Programs j BeGaze 2 1 Size 30 59MB TTE Comfort Pro TAPI Size 0 30MB Experiment Center Size 98 58MB F Add New Programs j HASP SRM Run time Size 7 73MB J25E Runtime Environment 5 0 Size 71 79MB Close that the HASP SRM Run time is installed during the installation of Experiment Center 2 3 Do not deny the installation of this software during installation when prompted Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 98 9
7. key CTRL N CTRL 0 CTRL S E 1 H TAB SHIFT TAB F8 F9 F10 F1 F12 to create a new experiment open an experiment save the experiment delete a selected stimulus element from the list of stimuli insert a new calibration element insert a new text stimulus insert a new image stimulus insert a new web stimulus insert a new movie stimulus insert a new screen recording stimulus move the cursor in the list of stimuli up and down change the focus to the next screen control change the focus to the previous screen control switch the stimulus monitor execute a dry run start the experiment open help Switch to fullscreen mode in text editor text stimulus Keyboard commands during calibration Press key to Version 2 3 2009 SensoMotoric Instruments GmbH User Interface 74 accept target fixation during calibration The next stimulus will be presented to the subject accept target fixation during calibration The next stimulus will be presented to the subject end the calibration and proceed to the next stimulus stop the execution of experiment if calibration is inaccurate repeat calibration Keyboard commands while running an experiment Press key F11 F12 gt lt SPACE wu to end the current stimulus presentation an
8. 1 01 31 Image tty jpq Screen Demo SOT 1 01 34 web http www Screen Demo SOT 1 01 34 Loaded http www Screen Demo SOT 1 01 34 Loaded http www Screen Demo SOT 1 01 40 Movie windows Mo Screen Demo SOT 201353 Text RichText1l Screen Demo SOT 2011 55 End of Experiment The protocol for each subject is also stored as CSV compatible text file in the results folder txt Each protocol text file contains lines with the following data fields e the experiment s name e the subject code entered in the subject information dialog e the time stamp for the stimulus or event Hour Minute Second Millisecond from start of trial e the stimulus type such as Text ScreenRecording Web or the event type such as Loaded for finishing to load a web page while running the web stimulus Especially the web page URL protocol may be used for web click analysis or for web landing page analysis see Web Stimulus Element 44 e the stimulus or event content such as file names for images movies and text stimuli the web page address for the web stimulus load event or the executable name and parameters for the screen recording stimulus gj From the presented subject protocol you can mark and copy the data entries directly to a spread sheet application such as Microsoft Excel Note that the data fields are separated with the tab character Version 2 3 2009 SensoMotoric Instruments GmbH Step by ste
9. directory C Program Files SMI Experiment Suite 360 Experiment Center 2 Results Experiment Name m With a double PC setup both directories need to be located on a network share writeable from both PCs 8 1 2 Importing and Exporting Experiments If you created an experiment on one PC you may need to transfer the experiment to another PC system also running Experiment Center 2 3 Because all relevant files for an experiment are stored in a single folder it is easy to transfer the experiment using the standard folder copy function of the Microsoft Windows operating system 1 Start Windows Explorer Open the Windows Start menu and select the All Programs Accessories Windows Explorer menu command 2 Navigate to the Experiment Center 2 3 program installation folder for example to C Program Files SMI Experiment Suite 360 Experiment Center 2 Then navigate the Experiments sub folder Windows Explorer now lists all available experiments in the right contents pane 3 Select the desired sub folder and press CTRL C to copy 4 Navigate the to destination media such as an USB stick or a network share Press CTRL V to paste the sub folder to the destination media You may transfer the media to the destination PC and copy the sub folder to the Experiments folder of the local Experiment Center 2 3 Version 2 3 2009 SensoMotoric Instruments GmbH Data Storage 80 installation 5 On the desti
10. element To insert a screen recording stimulus element proceed as follows 1 Click 2 in the top toolbar In the Application Window a new screen recording stimulus element is added to the list of stimuli The subject uses the application during the experiment All interactions to the application like entering text clicking on buttons etc are captured from the screen and saved to a video file while concurrently monitoring the gaze position The operator or the subject ends the application using Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 48 the F11 key wW Note that the screen recording does not end if the subject exits the application Using this feature it is possible monitor further screen interaction of the subject such as restarting an application or a working with several applications started successively Edit stimulus element To edit the properties of a screen recording stimulus element proceed as follows 1 Select the element 2 Application to start field Click the J button if you want to select another application 3 Arguments field Enter arbitrary arguments added to the application s command line Most applications will accept arguments such as one or more file names to be opened or a web URL to be loaded 4 Frames per second field This number determines how many frames per second are captured and encoded into the resulting capture video Possible
11. media file formats as the installed Microsoft Media Player This includes AVI Audio Video Interleaved a matured container file format supported on all windows versions However all movie file formats are denoted as container formats because they can include various media using specific data formats To decode and display the video material inside the container file you need the corresponding codec installed on the PC To verify the audio and video format right click the desired file in Windows Explorer or in the Select Movie dialog Select the Properties context menu command switch to the Summary tab then click the Expand button g The list of installed video codecs is a bit hard to find With Windows XP you can open the Control Panel Then open the Sounds and Audio Devices applet navigate to the Hardware tab select Video Codecs in the list then click the Properties button With Windows Vista start the pre installed Windows Media Player 10 select the Help Info menu command then click the Technical Support link Screen Recording Media All screen video material captured during experiments is saved to hard disk in the AVI file format The screen recording of Experiment Center 2 3 uses the customized Xvid Solutions MPEG 4 codec XMP 4 installed during Experiment Center 2 3 setup The XMP 4 codec is compatible to standard Xvid and DivX codecs for playback All screenshots taken during the stimulus presentation are saved to har
12. or generated using the Software The obligations under this Section shall survive any termination of the Agreement Licensee may apply to SMI at the address above for further information on the interface between the Software and other applications SMI will on reasonable terms and conditions provide such information as the Licensee may reasonably require to enable the Software to interoperate with its applications 5 Warranty a If Licensed Materials show a defect during the limitation period Version 2 3 2009 SensoMotoric Instruments GmbH License Agreement and Warranty 106 specified in Sec 5 d which already existed at the time of transfer of risk SMI will provide Licensee with a corrected version of such defective Licensed Material Repeat Performance b Licensed Materials are defective if they do not conform to the written agreement between SMI and Licensee if any or to SMI s specification c Licensee s claims for defects are excluded e for insignificant divergences from the agreement or specification e for damages caused after the transfer of risk by external influences such as fire water currency surge etc improper installation operation use or maintenance use in fields of application and environmental conditions other than those expressly specified by SMI and use in combination with other products not approved by SMI for this purpose excessive stress or normal wear and tear
13. stimulus preview live gaze monitoring and precision timing e Online guide for optimal subject placement in front of the remote eye tracker e Integrated calibration including support for animated calibration targets and immediate validation of calibration quality Version 2 3 2009 SensoMotoric Instruments GmbH Overview 12 e Text images video full length web sites or interactive programs with screen recording can be displayed to each subject step by step while the subject s gaze position is monitored and gaze tracking data is recorded e Integrated User Webcam and Audio recording requires observation package license e A randomization scrambling group function to allow groups of stimuli to be presented in a non determined order and randomization of presentation time e A lock unlock function to prevent accidental invalidation of experiments already used in a recording e All visual stimuli can be displayed for 500 milliseconds or longer while maintaining a high timer accuracy e Adry run function for test scenario evaluation without calibration and recording e Anintegrated data storage to allow the acquired data to be analyzed in the BeGaze 2 3 software e Presenting the next stimulus can also be triggered by looking into a predefined area of the subject AOI dwell time trigger e TTL Trigger on LPT1 port Experiment Center 2 3 runs on a standard PC and connects to the iView X system T
14. subject because the navigation bar is always visible to the subject while she he is scrolling down a large web page During experiment analysis in BeGaze 2 3 you may need to filter out those gaze positions which refer to the navigation bar This mode is especially helpful if you are interested which objects on a web page attract the subjects gaze Select Landing Page to record a series of still images with the screen resolution of the stimulus monitor These images are screen shots recorded while the subject is navigating the web stimulus browser Special care should be taken if the navigation bar is visible for the subject and the web site to navigate needs scrolling All recorded images in Landing Page mode will include the navigation bar This mode is especially helpful if you are interested in the site navigation decisions 8 Confirm with the Enter key The web stimulus element has not further properties The subject uses the web browser during the experiment similar to a standard web browser All interactions to the web page like entering text clicking on links etc are allowed The user cannot change the address field of the browser The web browser offers the following control buttons Reloads the current web page Navigates to the previous history entry Navigates to the next history entry Stops loading the current web page m A Stops web browsing and presents next stimulus Navigates to the home U
15. values range from 1 to 25 frames per second The default of 10 frames per second is recommended for optimal results It is not recommended to use higher values than 10 in One PC configurations Note that entering a high value can result in a very high system load which in turn may influence the application s function and or the iView X gaze tracking How many frames are sensible for your purposes also depends on your CPU and screen driver resources For example capturing 25 frames per second on a 1280x1024x32 display requires to capture and encode 117 Megabyte second 5 Inthe Smooth Eye Movement field click to open a drop down list Select Yes to enable an additional gaze cursor filter Otherwise select No 6 Inthe Record User Events field click to open a drop down list Select Yes if user events such as key presses except function keys and mouse clicks should be recorded in the resulting IDF file You can evaluate recorded user events in BeGaze 2 3 later on Otherwise 2009 SensoMotoric Instruments GmbH Version 2 3 49 SMI Experiment Center 2 select No default 6 3 6 Randomization Groups and Duration Randomization Groups You can combine multiple stimuli in a so called randomization group These stimuli are presented in a random order in an experiment run whereas the order changes for each experiment trial Randomization groups can be mixed up within the stimuli arrangement While stimuli which ar
16. 1 The Illumination Controller RED e box should be switched on 2 Reset the camera by switching the e box off and on 3 Check to ensure that no other program is using the camera e g the Smartview program 4 fit still does not help reinstall the 1394 firewire driver Experiment Center 2 3 does not start It is not sufficient to simply copy the Experiment Center 2 3 program directory to another PC Please use the Experiment Center 2 3 installer This ensures for example that required Microsoft NET Framework Version 3 5 SP1 or above is installed properly Note that you cannot start Experiment Center 2 3 from a network share network drive because of NET security restrictions Dongle protection Experiment Center 2 3 and BeGaze 2 3 are both dongle protected and share the same dongle If both programs run on different PCs you may have to place the USB dongle in the appropriate PC before you can start the program If Experiment Center 2 3 displays a message box stating HASP SRM Protection System The software requires a hardware key dongle check the following 1 The activity LED of the USB dongle should show a red light if the dongle is plugged in 2 If the activity LED does not show a red light check the USB port status in the Windows hardware settings dialog Open the Windows Control Panel and double click the System icon Switch to the Hardware tab and click on the Device Manager button Verify that the Universal
17. 6 click z Alternatively select the Extras Global Settings menu command The Global Settings dialog opens 2 Inthe Connections Settings section configure the network connection which is used to control and query the iView X system see Network Settings 19 Click the Reset button to revert to the program defaults localhost IP and port settings 3 Inthe Data Paths section configure the location where experiment related files are saved see Directory Structure 781 The Experiment Path setting determines the storage location for experiment and stimulus data For optimal results the Experiment Path setting shall point to a local hard disk drive Version 2 3 2009 SensoMotoric Instruments GmbH Configuration 18 The Results Path setting determines the storage location for of experiment results created while running an experiment For optimal results it is strongly recommended that the Results Path setting shall point to a local hard disk drive Activate the Show online data option to view the subject s gaze position visible as small yellow circle in the preview area displayed in the upper right of the Application Window 6e The Frame rate setting determines the update frequency for the preview thumbnail of the stimulus monitor and the gaze position cursor The default update rate is 1 which configures one update per second For performance reasons it is not recommended to use higher values Activate E
18. 8 Turn off Hardware accelaration It might be that you want to turn Off Hardware Acceleration to improve video quality or to allow screen recording of applications that are running in the graphics memory e g MS Media player Turning off the hardware acceleration system wide in Windows XP You can turn off hardware acceleration completely or turn it down system wide in the following manner 1 Click on Start gt Control Panel 2 In the classic view double click on the Display icon 3 Select the Settings tab and click on the Advanced button The Advanced Settings dialog box appears 2009 SensoMotoric Instruments GmbH Version 2 3 99 SMI Experiment Center 2 Display Properties Display Plug and Play Monitor on NVIDIA GeForce Integrated GPU Screen resolution Color quality aa Moe Hitestiaz bay 1280 by 1024 pixels 4 Windows Settings Tab Click on the Troubleshoot tab Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 100 Plug and Play Monitor and NVIDIA GeForce Integrate wale g GeForce Integrated G 1 Device Selection General Adapter Monito Are you having problems wth your graphics hardware These settings can help you troubleshoot display related problems Hardware acceleration Manually control the level of acceleration and performance supplied by your graphics hardware Use the Display Troubleshooter to assist you in making the chan
19. Before you start recording ensure that the appropriate experiment is loaded see Loading and Changing an Experiment 2 the calibration properties are set see Setting Calibration 35 the required stimuli are included see Setting Stimuli 33 the desired subject properties are defined see Subject Properties 51 the subject is seated directly in fronts of the stimulus PC monitor the eye tracking system iView X is started and properly connected see Global Settings 17 and for a double monitor setup the desired stimulus monitor is attached and switched on see Double Monitor Settings 2 Main steps If all prerequisites are met a typical recording is executed with these 2009 SensoMotoric Instruments GmbH Version 2 3 55 SMI Experiment Center 2 steps 1 Start the recording for a new subject 551 2 Run the calibration 57 3 Present stimuli s 4 End the recording 62 6 4 2 1 Starting New Subject To start a gaze position recording for a new subject proceed as follows 1 Ensure that the experiment is locked A Otherwise click A lock 2 Ensure that iView X is connected Otherwise click to open the Global Settings 1 dialog in order to reconnect 3 If you want to display the visual stimulus on a second monitor select the desired monitor in the Select Stimulus Monitor drop down list or by pressing the F9 key Click the Identify button to verify the double monit
20. Instruments GmbH Appendix 88 System Setup conditions e iView X frame drops lt 1 e Online preview refresh rate of background image 1fps e Webcam connected System Setup One PC Setup Dual Monitor Dual PC Setup iView X interface RED RED Hi Speed Hi Speed MRI RED MEG Primate iWViewX PO iViewX fiView X Cubel iView X iView X PC Laptop Quad Core Tower Laptop Modell Core Duo Tower or 8410 8420 Cube PC Core Duo and Stimulus alibration creenrecording eb wW creenrecording 10fps IScreenrecordingp gt 10fps Conditions Exp Center Online Preview 1fps iView X frame drops lt 1 with Webcam modified with Nvidea GeForce 9600 GT graphic card with webcam 2009 SensoMotoric Instruments GmbH Version 2 3 89 SMI Experiment Center 2 9 2 Dongle Installation and Troubleshooting Experiment Center 2 3 is dongle protected You may have to place the USB dongle in the appropriate PC before you can start the program If Experiment Center 2 3 displays a message box stating HASP SRM Protection System The software requires a hardware key dongle check the following 1 2 The activity LED of the USB dongle should show a red light if the dongle is plugged in If the activity LED does not show a red light check the USB port status in the Windows hardware settings dialog Open the Windows Control Panel and double click the System icon Switch to the Hard
21. On recommended This setting blocks all outside sources from connecting to this computer with the exception of those selected on the Exceptions tab Don t allow exceptions Select this when you connect to public networks in less secure locations such as airports You will not be notified when Windows Firewall blocks programs Selections on the Exceptions tab will be ignored x Off not recommended Avoid using this setting Turning off Windows Firewall may make this computer more vulnerable to viruses and intruders Cancel If you trust your local network environment you can also disable the Windows personal firewall completely Version 2 3 2009 SensoMotoric Instruments GmbH Configuration 22 1 Right click the Network Environment icon located on the desktop or in the Windows Start menu Select the Properties context menu entry 2 Inthe Network Environment window right click the Local Area Connection icon Select the Properties context menu entry 3 Inthe Local Area Connection properties dialog navigate to the Advanced tab and click Settings 4 Inthe Windows Firewall dialog navigate to the General tab and select Off 5 Confirm with OK 2009 SensoMotoric Instruments GmbH Version 2 3 23 SMI Experiment Center 2 5 3 Double Monitor Settings To operate the double monitor setup the corresponding system functions of the Windows operating system are
22. PNG 1000 Image surprise4 PNG 1000 Text thankyou rtf auto LL SL Lib LIL Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 34 2 Select one or more stimuli elements to set their properties The stimulus will be displayed in the preview window The stimulus properties will be displayed in the properties window Depending on the stimulus type different properties are available 3 Enter the desired values in the properties pane Delete stimulus To remove stimuli not to be used in your experiment proceed as follows 1 Select one or more stimuli in the list 2 Press DEL Alternatively right click the desired stimulus entry and select the Delete Object command from the context menu Change order of stimuli While you are designing an experiment you may want to change the order of stimuli To do so proceed as follows 1 If the experiment is locked click A to unlock 2 Select an element with the mouse and drag it to the desired position in the list While moving the mouse cursor the currently focused list item is marked with a blue border 2009 SensoMotoric Instruments GmbH Version 2 3 35 SMI Experiment Center 2 If you move the mouse cursor up the stimulus element will be placed previous to the blue marked list item If you move the mouse cursor down the stimulus element will be placed after the blue marked list item 3 To test the
23. Protection and License Update Experiment Center 2 3 is dongle protected and requires a license If you want to update your Experiment Center 2 3 version please contact the SMI sales department 11n to obtain a new license Collect license information The SMI sales department will need your current license information 1 From the Windows start menu select Programs SMI Experiment Suite 360 Remote Update Utility 2009 SensoMotoric Instruments GmbH Version 2 3 9 SMI Experiment Center 2 In the Collect Key Status Information tab of the Remote Update Utility click the Collect information button This will acquire the current license information which is currently stored on the dongle device HASP SRM RUS a O Collect Key Status Informati Apply License Update To update your SMI BeGaze license please follow these steps 1 Press the Colect informa ion button below 2 You will be prompted to save a file identifying your current BeGaze license Save key status Please save the file under your last name for easy identifation 3 Send this file to support smi de After we have processed your request we will send you an update file v2c Proceed as follows 1 Start BeGaze Remote Update System and switch to the Agog License Update tab 2 Locate the update file v2c by clicking on the browse buffon jand click Apply Update 3 You will be prompted that a receipt has been pro
24. RL F11 key stops the web browsing stimulus and proceeds with the next stimulus 2009 SensoMotoric Instruments GmbH Version 2 3 47 SMI Experiment Center 2 The web stimulus element is mainly designed to analyze visual attention for multiple users and user groups To achieve the best possible comparison between different users there are some limitations regarding active web content Note that the navigation from web page to web page is also recorded in the Subject Protocol 61 Recording of gaze data starts when the web site starts to load In addition a user message URL completely loaded is generated and stored in the idf file when the web site is completely loaded which can be analyzed together with the gaze data in BeGaze 2 3 4 The interaction between web browser developers and web page designers comprises the continued technical evolution of web content For this reason web pages exist which cannot be used for gaze tracking experiments This especially includes active content such as movie sites online games various Web 2 0 content incompatible HTML or failing script code 6 3 5 6 Screen Recording Stimulus Element You can include a screen recording in your experiment A screen recording is an arbitrary application that the subject can use at will Experiment Center 2 3 concurrently records a screen capture video of all actions the subject performs when operating the application Insert stimulus
25. added a new experiment automatically The creating user information includes the current Windows workstation name as well as the Windows log in name This information helps you to identify experiments for example if you reopen experiments later on or if you analyze the experiment using BeGaze 2 3 Execute experiment Start the experiment see Running an Experiment 54 or test the settings with a dry run 534 2009 SensoMotoric Instruments GmbH Version 2 3 29 SMI Experiment Center 2 6 3 2 Loading and Changing an Experiment In a typical gaze tracking experiment the stimulus presentation may be adapted to a modified research objective You can create a new experiment for this but it is also possible to modify an existing one Load and change experiment To modify an existing experiment proceed as follows 1 Click 4 in the top toolbar The Load experiment dialog opens presenting a list of existing experiments fx Load experiment Name of Experiment Description of Experiment Created by Date 2 Select the desired experiment 3 Click Load The experiment is loaded into the Application Window 6s 1 4 Ensure that the experiment is unlocked A If it is locked click Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 30 A to unlock 5 Edit or modify experiment settings Add new stimuli or change the stimuli settings The order of stimuli c
26. an be changed as wer more information see the help topic entitled Setting Stimuli 33 Change calibration properties 351 6 Click A lock the experiment This way settings can not be changed accidentally 7 Save the experiment see Saving Experiments 30 Execute experiment Start the experiment see Running an Experiment 5 or test the changed settings with a dry run 531 6 3 3 Saving Experiments To save an experiment proceed as follows Note that you do not simply save an experiment file Instead Experiment Center 2 3 uses the experiment name to create a subdirectory in the experiments directory which contains all used stimulus files and the experiment file see Data Storage Structure 7 1 Click HI in the top toolbar Alternatively select the File Save menu command or press the CTRL S key combination The Save experiment dialog opens presenting a list of existing experiments 2 Enter a relevant experiment name and add a short experiment description in the input fields of this dialog Do not use characters not oo valid for file names such as or lt Use letters A Z digits 2009 SensoMotoric Instruments GmbH Version 2 3 31 SMI Experiment Center 2 0 9 or the space character instead 3 Click Save w Overwriting an existing experiment might invalidate already acquired eye tracking data fx Save experiment Name of Expe
27. arranty 104 Workflow 13 2009 SensoMotoric Instruments GmbH
28. censes are stored on the dongle device not on the PC on which Experiment Center 2 3 is installed With the license update procedure the dongle is updated That means that you can run Experiment Center 2 3 on any PC when the dongle is plugged in 9 3 Information on Calibration Calibration is the process where the iView X system establishes the relationship between the position of the eye in the camera view and a gaze point in space the so called point of regard POR The calibration also establishes the plane in space where eye movements are rendered Since this relationship strongly depends on the overall system setup and also varies between subjects a reference measurement called calibration must be performed before each experimental trial During calibration the subject is presented with a number of targets in known locations These targets must be fixated on by the subject and the position of the eye is noted by the system Using these reference points 2009 SensoMotoric Instruments GmbH Version 2 3 91 SMI Experiment Center 2 the system creates a mapping function that relates all eye positions to points in the calibration area monitor The accuracy of gaze data is directly related to the success of the calibration HS For more information on calibration please refer to the iView X Online Help 9 4 Information on User camera and Audio Recording The observation package license is needed to record u
29. changed sequence navigate through the list of stimuli using the cursor UP DOWN keys or navigate through the list using the arrow buttons below the preview pane Selects the previous stimulus Selects the next stimulus 6 3 5 1 Calibration Calibration is the adaptation to the current subject s eye characteristics During calibration a number of targets in known screen locations are presented to the subject The subject needs to fixate the presented targets while the position of the subject s gaze is registered by the iView X system To get correct measurement results it is vital to execute calibration before presenting your stimuli Gaze tracking data acquired before calibration is completed successfully may be incorrect If you create a new experiment the calibration is included as the first element in the list of stimuli by default It is possible to move the calibration element to another position for example to prepend a text message as subject information on the display Edit calibration settings To edit the calibration settings proceed as follows 1 Select the calibration element in the list of stimuli The properties pane shows the current calibration settings The preview pane displays the used target symbol Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 36 2 Background Color field Click on to open the color selection dialog offering separate color tabs S
30. connects to the iView X eye tracker You load the created experiment and present the prepared stimuli to your subjects one by one Experiment Center 2 3 now records the subject s eye movements while he or she is viewing at or interacting with the presented stimuli While recording Experiment Center 2 3 automatically stores the eye and gaze tracking data and the corresponding stimuli files to an experiment results directory for later analysis A typical gaze tracking experiment involves persons with two different roles an operator who controls the experiment and a subject whose gaze position and actions are monitored The operator starts the experiment enters information for each subject e g the subjects name and verifies the calibration necessary to adapt the iView X eye tracking software to the subject s eye characteristics Version 2 3 2009 SensoMotoric Instruments GmbH Overview 14 4 4 System Setup For eye and gaze tracking experiments with Experiment Center 2 3 two different system setups are possible e With a single PC setup one iView X system runs the iView X gaze tracking system as well as Experiment Center 2 3 Both components are interconnected using a PC internal socket connection This is the recommended standard configuration depicted below Stimulus Operator PC Monitor and Monitor o m Monitor Cable e i e p RED m RED Cable With a double PC set
31. ctivated the target as well as the subject s gaze position is visible in the preview area displayed in the upper right of the Application Window e If the iView X RED Remote Eye tracking Device is used the operator controls the placement of the subject using the RED Tracking Monitor To view the RED Tracking Monitor switch to the RED Tracking Monitor tab which is available in the property area displayed in the lower right of the Application Window 7 Note that the tab control is displayed only if Experiment Center 2 3 is connected to iView X see Global Settings 17 As afirst step the physical position of the subject is verified using the RED Tracking Monitor calibration display e lf the eyes are tracked by the system two white eye ellipses are visible in the scene image If tracking is lost the white dots disappear from the scene image Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 58 If the subject sits too far away from the screen this arrow indicates that he or she should move closer a If the subjects sits too close to the screen this arrow indicates that he or she should increase the distance to the screen Other arrows direct the subject to center his or her head in front of the monitor The subject sits correctly if all arrows have vanished When the Quality check setting in the calibration element 351 is set to Calibration the calibration quality dia
32. d disk in the jpg file format see above 83 2009 SensoMotoric Instruments GmbH Version 2 3 Appendix Chapter Appendix 86 9 Appendix 9 1 Limitations Setup recommendations The performance requirements vary based on the type of stimuli complexity of the experiment and the connected iView X eye tracking system Therefore not all type of experiments can be executed in a One PC setup where iView X and Experiment Center are running on the same PC For highest performance and best data quality a dual PC setup is recommended The following table is showing the dependencies and setup requirements for the available stimuli types 2009 SensoMotoric Instruments GmbH Version 2 3 87 SMI Experiment Center 2 System Setup conditions e iView X frame drops lt 1 e Online preview refresh rate of background image 1fps e Webcam not connected System Setup RED RED Hi Speed Hi Speed iView X interface MRI RED MEG Primate iView X PC iView X PO iView X Laptop Laptop ai Modell PC and 8410 8420 Stimulus PC Core Duo Mid High alibration mages Movie it to screen fit to screen ithout creenrecording ith creenrecording 10fps IScreenrecordingb 10fps Conditions Exp Center Online Preview 1fps iView X frame drops lt 1 without Webcam modified with Nvidea GeForce 9600 GT graphic card without Webcam Version 2 3 2009 SensoMotoric
33. d proceed to the next one stop the experiment and interrupt the presentation of stimuli except Web and Screen Recording stimuli to present the next stimulus element to the subject except Web and Screen Recording stimuli to present the next stimulus element to the subject except Web and Screen Recording stimuli to present the previous stimulus element to the subject 5 You can also select any menu command by pressing the ALT key together with the underlined menu hot key For example the ALT F keyboard combination will open the File menu while a subsequent ALT command A selects the File Save as menu 2009 SensoMotoric Instruments GmbH Version 2 3 75 SMI Experiment Center 2 7 5 Text Editor Window To insert and edit text stimulus elements Experiment Center 2 3 features a special Text Editor This editor opens in a new window automatically when you have inserted or selected a text stimulus element in the list of stimuli aS Open p 4 Cut Copy B Paste Undo e Redo Font Font selection Size Size selection bold Italic Underline Bullets b Opens an existing rtf file Cuts the marked text Copies the marked text Pastes a cut or copied text Undoes the last step Redoes the last step Changes the font family of the currently marked text Changes the font size of the currently marked text Formats marked text bold A repeated click o
34. d when you press the OK button in the Global Settings Dialog Change Network Configuration In the iView X Hardware dialog select Ethernet in one of the Remote Interface drop down lists Click the corresponding Configure button and copy the configuration depicted below iViewX Network Configuration Listening interface EC v Pot 4444 Send UDP packets to Interface 127 0 O 1 Pot 5555 With a double PC setup the iView X software and Experiment Center 2 3 run on different PCs To establish a connection change the IP address in both configuration dialogs e Inthe Experiment Center 2 3 s Global Settings dialog enter the IP or 2009 SensoMotoric Instruments GmbH Version 2 3 21 SMI Experiment Center 2 the NetBios name of the PC running the iView X software e Inthe iView X Network Configuration dialog enter the IP address of the PC running Experiment Center 2 3 You may copy the IP address displayed in the Global Settings 17 dialog next to Experiment Center IP Address Unblocking the Firewall Note that installed firewall products may block the communication For example you need to confirm the network connection with the pre installed Windows personal firewall Local Area Connection Properties S _ _ EO General Authentication Advanced Windows Firewall Windows Firewall General Exceptions Advanced IL
35. ding field click to open a drop down list Select Yes if a screen recording video with a fixed rate of 10fps should be recorded in parallel while the subject is operating the web stimulus browser Please always have in mind that screen recording is taking a lot of processor performance Otherwise select No default 5 Inthe Presentation Width Pixel field the presentation rendering of the text on the stimulus display can be limited to a smaller area than the screen width If a value smaller than the current screen width resolution is entered the text area is centered on the screen with left and right borders The default value is screen width which means that the text is automatically rendered to the full screen resolution 6 Inthe Record User Events field click to open a drop down list Select Yes if user events such as key presses except function keys and mouse clicks should be recorded in the resulting IDF file You can evaluate recorded user events in BeGaze 2 3 later on Otherwise select No default 7 Inthe Analysing Mode field click to open a drop down list Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 46 Select Full Website to record a single large image for a web page the subject visits Each image represents the complete web site and includes content displayed below the screen Again special care should be taken if the navigation bar is visible for the
36. duced to Collect information You will be prompted to save a file identifying your current Experiment Center 2 3 license Save key status Please save the file under your last name for easy identification 4 Send this file to sales smi de You will receive a new license key from SMI Update license After you have purchased your new license key v2c file format update your license as follows 1 From the Windows start menu select Programs SMI Experiment Suite 360 Remote Update Utility 2 Switch to the Apply License Update tab Version 2 3 2009 SensoMotoric Instruments GmbH Overview 10 HASP SRM RUS nt Collect Key Status Information Apply License Update Update File Apply Update 5 Ensure that only the Experiment Center 2 3 dongle is plugged Remove all other dongles from the PC 3 Locate the update file v2c by clicking on the browse button Css and click Apply Update This will write the updated license information to the dongle device 4 You will be prompted that a receipt has been produced to confirm the update Please send this receipt file to support smi de 5 Close the Remote Update Utility and start Experiment Center 2 8 5 Type and status of your licenses are stored on the dongle device not on the PC on which Experiment Center 2 3 is installed With the license update procedure the dongle is updated That means that y
37. e combined in a group are presented in a random order the group position itself in the overall sequence of stimuli is absolute It is possible to use one or more randomization groups in an experiment and also to cascade them Example Text 1 Image 1 image 2 Image 3 g mei Image 5 Text 2 Image 6 Image 7 O Image Image 9 Image 10 Text 3 The illustration shows the stimuli order of an experiment with five Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 50 randomization groups The order of stimuli presentation may be A stimulus which is not allocated to a randomization group will be presented at that position where it is placed in the stimuli sequence In the example above this is the case for the Text 3 element Combine stimuli in a randomization group To add a stimulus to a randomization group proceed as follows 1 If the experiment is locked click A to unlock 2 Select the appropriate stimulus element in the list of stimuli 3 Enter a group name a number or a text in the Random Group column If you have already assigned group names within the experiment you can alternatively click the button and select the desired group from the drop down list The Subject Protocol 67 contains the sequence and time stamps of the randomized stimuli for each trial 2009 SensoMotoric Instruments GmbH Version 2 3 51 SMI Experiment Center 2
38. e for defects of the Software which cannot be reproduced e for Licensee s or a third party s modifications of Licensed Materials and results therefrom e in as far as Licensee has not notified SMI of apparent defects within 5 business days of delivery and of hidden defects within 5 business days of discovery d The limitation period for warranty claims is 12 months This does not apply in cases of fraud intent gross negligence and personal injury Repeat performance does not restart the limitation period e Licensee has to always first provide SMI the opportunity for Repeat Performance within a reasonable period of time Repeat Performance does not constitute acceptance of a legal obligation f If the Repeat Performance fails even within an additional period of time of reasonable length to be granted by Licensee Licensee shall notwithstanding its claims under Section 6 if any be entitled to rescind the contract or to claim a price reduction g If the analysis of an alleged defect shows that it is not covered by the above warranty SMI may charge for the failure analysis and correction of the defect if any at SMI s then applicable rates 6 Liability Limitations a SMlis only liable for damages caused by slight negligence if such are due to a material breach of duty which endangers the achievement of the objective of the Agreement or the failure to 2009 SensoMotoric Instruments GmbH Version 2 3 107 SMI Expe
39. e gt avi Screen recording stimuli will record screenshots written to an avi file The naming convention is Screen Recording lt filename gt lt subjectname gt lt trial number gt avi Example In the following example the operator entered slideshow at the experiment saving prompt results slideshow subjectname slideshow 1 idf subjectname slideshow 1 txt textfile1 jpg imagefile1 jpg moviefile1 avi filename slideshow 1 avi 8 4 Supported File Formats Experiment Center 2 3 supports different file formats While the Experiment Center 2 3 files and the gaze tracking data are specific to SMI software all media components presented as stimuli are generally supported by the underlying Windows operating system and the Windows Media Player For this reason it is possible to use third party tools and software to create or change media files which are used as stimulus provided that the following file formats are supported 2009 SensoMotoric Instruments GmbH Version 2 3 83 SMI Experiment Center 2 Text Media All text media are stored as RTF Rich Text Format Experiment Center 2 3 supports a subset of the RTF file format specification which includes basic font attribution font size alignment and indenting and list formats It is possible to import ASCII text with the text editing component To use a more complex file as stimulus for example a file created with Microsoft Word you ma
40. ed on breach of contract or tort g The above limitations of liability also apply in case of Licensee s claims for damages against SMI s employees or agents 7 SMI Indemnity SMI will defend or settle any action brought against Licensee to the extent based on a claim that Licensed Materials used within the scope of the license granted in this Agreement infringe any copyright valid in the European Union or the European Economic Area and will pay the cost of any final settlement or judgment attributable to such claim provided i Licensee has given prompt notice to SMI of such claim ii Licensee has not recognized an infringement of the third party s copyright and iii the entire defense and the settlement negotiations are reserved for SMI with Licensee s full cooperation and support If Licensee discontinues the use of Licensed Materials for damage reduction or other important reasons Licensee is obligated to point out to the third party that the Version 2 3 2009 SensoMotoric Instruments GmbH License Agreement and Warranty 108 discontinuation of use does not constitute an acknowledgement of a copyright infringement If SMI believes Licensed Materials are likely to be the subject of an infringement claim it may elect to replace or modify such Software or Documentation to make it non infringing or terminate the Agreement on written notice to Licensee SMI shall have no obligation to defend or any other liabili
41. ed screen resolution Confirm with OK In a standard setup for example if you are the operator sitting in front of an notebook you may use the second monitor to present the visual stimuli to your subject To activate the second monitor as stimulus monitor 1 Select the DISPLAY2 entry in the Select Stimulus Monitor control of Experiment Center 2 3 A Click the Identify button to verify the double monitor settings The operator screen is identified by a large 1 while the subject should be placed in front of the monitor displaying a large 2 Stimulus Monitor The identify overlay disappears automatically after some seconds D If you change the Windows monitor setup you need to restart Experiment Center 2 3 to update the Select Stimulus Monitor control 2009 SensoMotoric Instruments GmbH Version 2 3 Step by step Instructions Chapter Step by step Instructions 26 6 Step by step Instructions 6 1 Step by step Overview In Experiment Center 2 3 you process the measurement data using the following steps 1 Prepare the experiment You can start with a new experiment 28 or open an existing one 237 and modify it To modify an experiment you have to unlock it Preparation also consists of calibration 35 and selection of the appropriate visual stimuli 3 such as text or images which fits to the research objective As an option you may also add custom subject properties allowing y
42. elect the desired background color Named Custom Named Custom Alpha Red Green BlueViolet Brown Blue Mirb Ahmad w The selected color will also be used as frame color for all stimuli if they do not fit to the full screen 3 Calibration method field The number of calibration points being used for the calibration can either be taken as a default directly as defined in iView X or can be directly selected 2 5 8 9 13 points If the connected eye tracking device doesn t support the selected calibration method then the best device specific default settings is being used instead 4 Target Animation field This field determines if the calibration target is animated To change the animation mode click Select none for the default static target Select blink for a target which is blinking twice Select animated for a target which moves as an animation from point to point 5 Target Shape a Target Shape field This field indicates the currently used target To change the target click and select one of the following list entries from the drop down list black circle white circle black cross white cross Select user defined to open the Select a file dialog Navigate to the Experiment Center 2 3 program directory and select the desired bitmap graphics file BMP JPG PNG ICO or animated GIF to be used as calibration target Click Open 2009 SensoMotoric Instrument
43. ge Haedware acceleration None g Full Disable all accelerations Use this setting only your computer frequently stops responding o has other severe problems M Enable write combining I 5 You can disable the hardware acceleration completely by dragging the slider to the extreme left of the scale You can also choose to turn down the hardware acceleration by selecting an intermediate value 2009 SensoMotoric Instruments GmbH Version 2 3 Copyright and Trademarks Chapter Copyright and Trademarks 102 10 Copyright and Trademarks Copyright The SOFTWARE is owned by SensoMotoric Instruments GmbH or its suppliers and is protected by the Federal Republic of Germany copyright laws and international treaty provisions Therefore you must treat the SOFTWARE like any other copyrighted material e g book or musical recording except that you may either a make one copy of the SOFTWARE solely for backup or archival purposes or b transfer the software to a single hard disk provided you keep the original solely for backup or archival purposes You may not copy the written materials accompanying the SOFTWARE The user is not entitled to allow a third party to use the software simultaneously without written approval of SensoMotoric Instruments GmbH Independent branch offices or subsidiary companies are also understood to be a third party in this sense SensoMotoric Instruments GmbH and or its su
44. he iView X system in turn operates an attached gaze tracking device Currently supported eye tracking interfaces are e RED4 e Hi Speed 500Hz 1250Hz e fMRI LR fMRI SV and the MEG gaze tracking systems You can run Experiment Center 2 3 directly on the iView X system Alternatively Experiment Center 2 3 runs on a dedicated stimulus PC which is connected to the iView X system using a network link Double monitor operation is also supported You can present visual stimuli on one monitor while doing experiment control on a second 2009 SensoMotoric Instruments GmbH Version 2 3 13 SMI Experiment Center 2 monitor 4 3 Basic Operation Experiment Center 2 3 is optimized for a typical gaze tracking experiment work flow e During experiment design time you start the Experiment Center 2 3 software and create the storyboard for the visual stimuli to present You have to lock the experiment to prevent changes during experiment execution For test purposes you can check the stimuli combination with the dry run function until it is sufficient for your needs You then save the results to an experiment e The necessary data storage is automatically created by Experiment Center 2 3 Therefore you simply enter an experiment name With this experiment name a subdirectory will be created which contains similar named experiment files e During experiment execution time you start Experiment Center 2 3 which automatically
45. iles are called trials Experiment Structure In a typical gaze tracking experiment the stimulus changes over time In order to synchronize the measurement data with changes in stimulus presentation the data files contain either a set number or a user message at the onset time of the stimulus change This synchronizing information can be used to separate each trial into sets where each set is associated with a certain stimulus image 8 1 1 Directory Structure All accumulating data in a gaze tracking experiment will be saved automatically by Experiment Center 2 3 They are saved in two different directories created under the configured data path see Global Settings 17 For each experiment Experiment Center 2 3 creates two subdirectories to store experiment data e Experiments this directory contains the experiment file EXP as well as used media such as RTF BMP etc By default this directory resides under the program installation directory C Program Files SMI Experiment Suite 360 Experiment Center 2 2009 SensoMotoric Instruments GmbH Version 2 3 79 SMI Experiment Center 2 Experiments Experiment Name e Results this directory contains the experiment results files IDF The IDF files are written by the iView X system which responds to the respective commands Experiment Center 2 3 sends during runtime By default this directory resides under the program installation
46. illiseconds The duration time can either be a fixed value in ms or a time range larger than 500ms e g 500 4000 In case of a time range the duration time is randomized within the range After this duration has elapsed the next stimulus element will be presented Enter the auto keyword if you want to proceed manually using the SPACE key the gt key or F11 Inthe Record User Events field click to open a drop down list Select Yes if user events such as key presses except function keys and mouse clicks should be recorded in the resulting IDF file You can evaluate recorded user events in BeGaze 2 3 later on Otherwise select No default Inthe Presentation Width Pixel field the presentation rendering of the text on the stimulus display can be limited to a smaller area than the screen width If a value smaller than the current screen width resolution is entered the text area is centered on the screen with left and right borders The default value is screen width which means that the text is automatically rendered to the full screen resolution Change text of a text stimulus element If necessary you can edit the text in two ways e g to change it s font size or alignment Direct Button Edit 1 Press the Edit button on top of the preview pane 2 Edit the test and or change it s properties 3 Click OK to close the text editor window Version 2 3 2009 SensoMotoric Instruments GmbH
47. imed end ends if Next F11 F11 or F11 or F11 F11 stimulus is E ae ea presented jor gt keylor gt key button Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 62 w The operator can stop the i at any time by pressing F12 or by clicking the button 6 4 2 4 Ending Recording The recording stops automatically after all stimuli have been presented to the subject Alternatively click the button or press the F12 key to stop at any time Note that all data for the actual subject are always saved into the respective idf file even if you stopped the recording using the F12 key Also the Subject Protocol 6 is presented at the end of the recording All files belonging to an experiment will be saved automatically in the experiment folder to the results subdirectory The trial separations are created automatically in the respective idf file D When the experiment is finished you can optionally start BeGaze 2 3 to analyze the experiment data 6 4 2 5 Subject Protocol At the end of each experiment the subject protocol is presented in the Windows Notepad application 2009 SensoMotoric Instruments GmbH Version 2 3 63 SMI Experiment Center 2 D Main Screen Demo SOT 1 txt Editor Datei Bearbeiten Format Ansicht Screen Demo SOT 2 00 00 Text RichText ria Screen Demo SOT 1 00 02 Calibration ca Screen Demo SOT
48. ing 94 8 Turn off Hardware accelaration 98 Part X Copyright and Trademarks 102 Part XI License Agreement and Warranty 104 Part XII About SMI 111 2009 SensoMotoric Instruments GmbH Contents IV Index 112 2009 SensoMotoric Instruments GmbH Introduction Chapter Introduction 2 1 Introduction Congratulations on your purchase of SMI Experiment Center 2 3 a software designed to make gaze tracking experiments and visual stimuli creation a snap SMI Experiment Center 2 3 and the accompanying SMI iView X system and the SMI BeGaze 2 3 software are designed particularly for researchers working in the fields of reading research psychology neurology cognitive neuroscience marketing research and usability testing Is Experiment center gt Loading Experiment Center 2315 A SMI 2009 SensoMotoric Instruments GmbH SensoMotoric Instruments SMI Experiment Center 2 3 the SMI iView X system and the SMI BeGaze 2 3 software build up a powerful platform to record and analyze gaze tracking data This platform supports a broad range of studies ranging from usability testing and market research to psychology and physiological experiments This platform is ideal for evaluating interactive media such as web sites software along with print and online advertising Document nu
49. ing the experiment WYSIWYG 5 This is especially true if you press F12 to toggle between full screen mode and normal mode Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 38 Insert stimulus element To insert a text stimulus element proceed as follows 1 Click in the top toolbar The text editor window opens ia B amp D amp ana 4 B I U black Some Text Enter new text or paste them from the clipboard Alternatively click y De to open an existing RTF text file Use the toolbar buttons to format 751 the text Note An imported RTF text may carry objects e g images spreadsheets which cannot be displayed as text To close the text editor click it s OK button In the Application Window a new text stimulus element is added to the list of stimuli Edit stimulus element To edit the properties of the text stimulus element proceed as follows 1 Select the element You can check it s design in the preview pane on the right Background Color field Click on to open the color selection dialog offering separate color tabs Select the desired background color 2009 SensoMotoric Instruments GmbH Version 2 3 39 SMI Experiment Center 2 3 Named Custom Named Custom BlueViolet Brown Pereh AA mm In the properties pane enter the transition time in the Duration field min 500 m
50. ion ssesseeseseeeeeeee 49 Subject Properties 4 Running Experiments 53 Dry Running an Experiment 53 Running an Experiment sn 54 Starting New Subject eines 55 Running Calibration Stimuli Presentation 60 Ending RECOrCING sssstecesseessseessneeseeesseesseneeseeessseesseeessenseaeess 62 SUDjeCtIPrOOCO EE T ses aucescceocsscueeceues 62 Analyzing Experiment Data ccssssssssseesseessseesseeesneeesneees 64 Part VIT User Interface 66 1 Application Window 66 2 MOOID ANS 0c sia peck Re nn A 68 3 Menu Commands 71 4 Keys OVErvieW nn nnnrrrnrrrnneereneenennemeneneneeneenss 72 5 Text Editor Window 75 2009 SensoMotoric Instruments GmbH Il SMI Experiment Center 2 Part VIII Data Storage 78 1 Data Storage Structure 78 Directory Structure nn 78 Importing and Exporting Experiments ssssessesseseneees 79 2 Experiment Files 80 3 Results Files te teen 81 4 Supported File Formats 82 Part IX Appendix 86 1 Limitations Setup recommendations 86 2 Dongle Installation and Troubleshooting 89 3 Information on Calibration 90 4 Information on User camera and Audio Recording 91 5 Program Installation 92 6 System Requirements 93 7 Troubleshoot
51. is open 5 2 Network Settings Experiment Center 2 3 needs to connect the iView X system in order to control the gaze tracker and to acquire gaze tracking data With a single PC setup the iView X software is running on the same system To establish a connection to the same host the following default settings are used in Experiment Center 2 3 e Experiment Center Listening Port 5555 e iView X System IP address localhost or 127 0 0 1 e Port 4444 For the iView X software complementary settings are required This means that e the listen port in iView X is the sending port of Experiment Center 2 3 and e the sending port in iView X is the listening port of Experiment Center 2 3 Version 2 3 2009 SensoMotoric Instruments GmbH Configuration 20 5 The Global Settings 17 dialog displays the IP address assigned to the PC running Experiment Center 2 3 next to Experiment Center IP Address While you can configure this IP address in iView X it is recommended to use 127 0 0 1 or localhost if iView X is running on the same PC Double PC Setup It is possible to run Experiment Center 2 3 and iView X on different PCs In this configuration the second PC which runs iView X must be able to write the eye tracking idf file to a network share which is located on the PC running Experiment Center 2 3 The result path is automatically shared on the stimulus PC which need to be confirme
52. load trom Web AM The Experiment Suite 360 includes the Experiment Center 2 3 as well as the BeGaze 2 3 software To install the Experiment Suite 360 proceed as follows 1 Insert the installation media CD Rom The auto start application opens 2 Click on the Install from CD button Follow the steps of the installation wizard 2009 SensoMotoric Instruments GmbH Version 2 3 93 SMI Experiment Center 2 i While installing the Experiment Suite 360 the USB dongle driver HASP SRM Run time is installed or updated You may need to update the USB dongle license information Refer to the BeGaze 2 3 manual under Dongle Protection and License Update for details The Microsoft NET Framework the Microsoft Internet Explorer and the Microsoft Media Player software components are available from the Experiment Center 2 3 installation media These software components are also available from the Microsoft web site where you can download them for installation to the desired PC workstation Both software components will inspect your PC workstation during installation and may issue warning messages if the PC resources do not meet the necessary performance pi Please use always the latest versions that are available for download from the Microsoft web site 9 6 System Requirements You can install and run Experiment Center 2 3 on a standard PC workstation running the Microsoft Windows operating system if the fol
53. log is shown after the calibration has been executed The dialog shows the calculated gaze positions in comparison to the correlated calibration targets The operator can verify the calibration quality and decide to continue or repeat the calibration if desired When Validation is selected the dialog shows the four additional validation points with the average deviation of the subjects gaze to the validation points The operator can verify the validation quality and decide to continue or repeat the calibration if desired 2009 SensoMotoric Instruments GmbH Version 2 3 59 SMI Experiment Center 2 5 Some calibration methods are showing perfect results when Quality check Calibration is selected In this case it is recommended to change the Quality check to Validation 5 For more information about calibration please refer the iView X Online Help 6 4 2 2 1 Calibration Tips To execute the calibration successfully please pay attention to the following guidelines e The environmental conditions should be approximately the same between calibration and experiment esp light level and subject posture e RED Place the subject in a comfortable position in front of and centered to the stimulus monitor The subject s chair should not have Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 60 wheels and pivots to minimize the amount of upper body movements made by the
54. lowing requirements are met e Experiment Center 2 3 is based on the Microsoft NET Framework Version 3 5 Service Pack 2 or above This in turn requires the Microsoft Windows XP operating system with Service Pack 2 or the Microsoft Windows Vista operating system e The PC and Windows OS must be compatible with European or American keyboard and language settings Asian language settings e g Chinese are not supported e The PC workstation performance should be sufficient to display or play the different media types presented during Experiment Center 2 3 execution To do so you need adequate CPU performance combined with enough RAM and hard disk space as well as a 3D accelerated graphics adapter This should be true for any notebook or desktop Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 94 computer bought since 2007 At minimum you need a 2 GHz Core Duo Processor 2 Gb of RAM and at least 10 Gb of free hard disk space You also need a monitor together with a true color display adapter with a minimum resolution of 1280x1024 pixels to do meaningful experiments e You also need the Microsoft Media Player 11 or above and the Microsoft DirectX 9 multimedia runtime or above installed You may verify the media performance by test playing a DVD film or something similar e f you run Experiment Center 2 3 on the same PC workstation as the iView X gaze tracking system keep in mind that during an experiment
55. mber 090526 P 1321 001 000 A 2009 SensoMotoric Instruments GmbH Version 2 3 How to Read this Document Chapter How to Read this Document 4 2 How to Read this Document This manual is designed to serve both as online help and as printed documentation of Experiment Center 2 3 The software version covered in this document is 2 3 You can use this manual in one of these ways e Read through the chapters pertaining to particular functions to get background information before using the program e Consult the manual as a reference document to find out particular information You can find a topic either by consulting the table of contents at the front of the manual or the index at the end All the information in this manual can also be accessed through the program Press F1 to open the Online Help on a menu item or on the element that has currently the input focus or that is selected It is probably not necessary to read all the chapters consecutively as there was an effort to make every chapter complete within itself This means that some phrases may recur You may leaf through the chapters to look for the topics that interest you The link references included in the text as well as the table of contents and the index should help you find your way through this document 5 You can locate information fast by using the Online Help s table of contents index or full text search features 2009 SensoM
56. n the button cancels the formatting Formats marked text italic A repeated click on the button cancels the formatting Underlines marked text A repeated click on the button cancels the formatting Adds bullets to the selected paragraph A repeated click on the button cancels the formatting Version 2 3 2009 SensoMotoric Instruments GmbH User Interface 76 i 1 Numbering Align left Align Center Align Right Align Justify F Increase m indent Decrease indent Jll IA Color text color Numbers the selected paragraph After a line break the next paragraph will be numbered consecutively A repeated click on the button cancels the formatting Formats the selected paragraph left aligned Centers the selected paragraph Formats the selected paragraph right aligned Justifies the selected paragraph Increases the left indent of the selected paragraph Decreases the left indent of the selected paragraph Sets the color of the text 2009 SensoMotoric Instruments GmbH Version 2 3 Data Storage Chapter Data Storage 78 8 Data Storage 8 1 Data Storage Structure Data Collection A data collection consists of one or several measurement data files a number of stimulus images and some additional information you have to provide We call this collection an experiment In an Experiment Center 2 3 experiment the assembled measurement data f
57. nable trigger on LPT1 to create a trigger each time a stimuli has changed The start value is zero when an experiment starts and is increased every time a stimuli change happens Activate Record user camera and select the connected webcam device from the Video Source selection A preview windows is showing the video of the currently selected webcam The config button is opening the webcam specific settings dialog please refer to user manual of the selected webcam Activate Record user sound and select an audio input device from the Audio Source selection in order to add audio recording to the webcam video Audio recoding without video is not possible 5 User camera and user audio recording requires the observation package license 4 Activate Enable trigger 5 Confirm your settings with OK w When you ve entered a foreign IP address of a remote iView X PC to configure a two PC setup you need to confirm that the result path is shared in the network This is necessary in order to allow iView X to write the eye tracking data remotely into the result directory 2009 SensoMotoric Instruments GmbH Version 2 3 19 SMI Experiment Center 2 The changed settings are applied If they do not exist Experiment Center 2 3 now creates the configured directories and also establishes the connection to the iView X system using the configured network settings 9g It is not possible to change the directories while an experiment
58. nation PC load the copied experiment see Loading and Changing an Experiment 2 y To transfer an experiment via online media or e mail it is best to pack and unpack the folder using an archival tool such as WinZip Do not rename the folder while copying it The folder s name is the name of the experiment which needs to match the file name of the included exp and mtd files 8 2 Experiment Files All files used to create an experiment are stored in a subdirectory under the current Experiment Path setting see Global Settings 17 This subdirectory is created when saving the experiment The contents of the experiments subdirectory are e An exp file including the experiment description the experiment specific settings as well as all used stimuli with their properties e All source files used as stimuli Example In the following example the operator entered slideshow at the experiment saving prompt experiments slideshow slideshow exp texttile rtf moviefile avi imagefile omp 2009 SensoMotoric Instruments GmbH Version 2 3 81 SMI Experiment Center 2 8 3 Results Files All files used to execute an experiment are stored in a subdirectory under the current Results Path setting see Global Settings 17 This subdirectory is created when recording the experiment The contents of the results subdirectory are e Several idf files which contain the measured gaze t
59. nloading copying or otherwise using the Licensed Materials you agree to abide by the following provisions This Agreement is displayed for you to read prior to using the Licensed Materials If you do not agree with these provisions do not download install or use the Licensed Materials If you have already paid for the Licensed Materials you may return them for a full refund to SensoMotoric Instruments WarthestraBe 21 14513 Teltow Germany If the Licensed Materials were installed on Designated Equipment you may also return such Designated Equipment for a full refund 1 License Subject to the terms of this Agreement SMI hereby grants and Licensee accepts a non transferable non exclusive non assignable license without the right to sublicense to use the Licensed Materials only i for Licensee s business operations ii on the Designated Equipment if any or on a back up equipment while the Designated Equipment is inoperable and iii in accordance with the Documentation Licensee may make one copy of the Software in machine readable form for backup purposes only every notice on the 2009 SensoMotoric Instruments GmbH Version 2 3 105 SMI Experiment Center 2 original will be replicated on the copy Installation of the Software if any is Licensee s sole responsibility 2 Rights in Licensed Materials Title to and ownership in the Licensed Materials and all proprietary rights with respect to the Licen
60. onnected The toolbar is at the top of the Experiment Center 2 3 Application Window It gives you short cuts to important features to prepare and set up an experiment The top toolbar consists of three units Here is an overview of the buttons and what they are for Experiment storage Button Function IE New Creates a new experiment E Open Opens an existing experiment H Save Saves the experiment with given name 2009 SensoMotoric Instruments GmbH Version 2 3 69 SMI Experiment Center 2 Experiment elements selection Button fe Calibration e Image E v oi Movie Screen Recording Experiment control Button Unlocked Locked J G Connected Disconnected U N Function Adds calibration entry into the list of stimuli Adds text stimulus element Adds image stimulus element bmp jpg gif png wmf or tif file Adds web stimulus element URL Adds movie stimulus element avi file Adds screen recording stimulus element Function Locks the experiment so that the current settings cannot be changed accidentally The buttons of the experiment elements section are disabled Unlock the experiment so that the current settings can be changed Indicates whether or not Experiment Center 2 3 is connected with iView X Click this button to open the Global Settings 171 dialog Version 2 3 2009 SensoMotoric Instruments GmbH User Interface 70
61. or setup 237 The subject should be placed in front of the monitor now identified by a large 2 Stimulus Monitor text display 4 oror press the F10 key The Please enter subject information dialog opens Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 56 fx Please enter subject information Subject code Description Gender 5 Enter the mandatory Subject code Note that this code is used to build the file name used to store the experiment results for the current trial Do not use characters not valid for file names such as or lt Use letters A Z digits 0 9 or the space character instead 6 You may enter a short description for the subject in the Description field Note that it is possible to add customized input fields to the subject information dialog see Subject Properties 51 7 Click OK The stimulus presentation normally starts by running the calibration gy The Windows operating system does not distinguish between upper case and lower case letters in file names For this reason make sure the entered subject code does not depend on used letter case 2009 SensoMotoric Instruments GmbH Version 2 3 57 SMI Experiment Center 2 6 4 2 2 Running Calibration When calibration starts a center target will appear on the stimulus monitor If the Show online data option from the Global Settings 171 dialog is a
62. ored in an optimized format Optimized format means that the videos can be analyzed at its best performance afterwards in BeGaze Therefore the videos are re encoded using the XMP4 codec with settings that allows best seek performance It might be possible that the video quality is slightly effected after re encoding Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 44 5 Supported file formats before optimization are avi wmv asf mpg mpeg mpe vob mp4 m4v mkv It must be ensured from the creator of the experiment that the video codec which is necessary to play back the original video is installed on the Experiment Center PC Edit stimulus element To edit the properties of a movie stimulus element proceed as follows ale 2 Select the element You can check it in the preview pane on the right In the properties pane enter the transition time in the Duration field min 500 milliseconds The duration time can either be a fixed value in ms or a time range larger than 500ms e g 500 4000 In case of a time range the duration time is randomized within the range After this duration has elapsed the movie stops and the next stimulus element will be presented Enter the auto keyword if you want to play the movie until it s end or proceed manually using the SPACE key the gt key or F11 Inthe Fit Movie to Screen field click to open a drop down list Selec
63. otoric Instruments GmbH Version 2 3 Important Notice Chapter Important Notice 6 3 Important Notice Experiment Responsibility Make sure the presented visual stimuli do not harm or injure your subjects SensoMotoric Instruments GmbH is in no way responsible for the experiments you develop execute and analyze Do not offend against your subject s cultural background age psychological condition or similar Photosensitive Epilepsy Some people may have epileptic seizures triggered by light flashes or patterns This may occur while presented successive pictures or video material even if they have never had a seizure before Supervise your subjects during experiments Stop immediately and consult a doctor if a subject has the following or similar symptoms e Involuntary movements e Disorientation e Convulsions e Loss of awareness e Altered vision 2009 SensoMotoric Instruments GmbH Version 2 3 Overview Chapter Overview 8 4 Overview 4 1 General Product Information 4 1 1 Product Variants SMI Experiment Center 2 3 is available in the following product variants e Experiment Center 2 Light full featured without screen recording e Experiment Center 2 Professional full featured including screenrecording e additional Reading Package automatic AOI generation for reading experiments e additional Observation Package adds user video and user audio recording 4 1 2 Dongle
64. ou can also select multiple images from the Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 42 directory 3 Click Open In the Application Window a new image stimulus element is added to the list of stimuli If you have selected multiple images each image is added as a separate stimulus element Edit stimulus element Direct Button 1 Use the direct button Add Trigger AO in the preview pane to add an AOI on the picture During execution this area is not visible and triggers the presentation of the next stimuli when the respondent looked more than Dwell time milliseconds into that area The AOI can be moved and changed in size within the picture 2 Edit the Dwell time in ms which should be used dwell time to trigger the next stimuli The default dwell time is 1000ms Property Window To edit the properties of an image stimulus element proceed as follows 1 Select the element You can check it in the preview pane on the right 2 In the properties pane enter the transition time in the Duration field min 500 milliseconds The duration time can either be a fixed value in ms or a time range larger than 500ms e g 500 4000 In case of a time range the duration time is randomized within the range After this duration has elapsed the next stimulus element will be presented Enter the auto keyword if you want to proceed manually using the SPACE key the gt key or F11
65. ou can run Experiment Center 2 3 on any PC when the dongle is plugged in 2009 SensoMotoric Instruments GmbH Version 2 3 11 SMI Experiment Center 2 4 2 Features and Benefits Applications SMI Experiment Center 2 3 is optimized for certain applications e g e Psychological experiments based on videos and or pictures grouped randomized dwell time trigger AOI e Market Research analyzing advertisements TV Spots printed Advertisements Reading Studies with automatic AOI generation for words sentences and paragraphs e Website analysis of full length web sites with scroll compensation recording of user events mouse clicks key presses and background screen recording e Software usability with screen recording including gaze position mouse cursor and user event overlays Features and Benefits SMI Experiment Center 2 3 is an easy to operate experiment creation planning and experiment execution environment It is complemented by the SMI iView X for gaze tracking data acquisition and SMI BeGaze 2 3 for gaze tracking data analysis Experiment Center 2 3 delivers experiment design and experiment control in a user friendly design which enables you to handle the Experiment Center 2 3 functionality out of the box Experiment Center 2 3 allows you to prepare and execute gaze tracking experiments with the following features e A single user interface for managing various functions including
66. ou to characterize group individual subjects during the experiment 2 End preparation by locking the experiment 3 Test the experiment design with a dry run 53 4 Run experiment If the dry run meets your requirements start the experiment 51 The system will perform calibration and after that present the stimuli to the subject The experiment and it s results will be stored according to the defined directory structure 78 Analyze the measurement datal 6 using the BeGaze 2 3 analysis software For database maintenance you may delete unnecessary experiments a later on The following topics in this help book provide step by step instructions to carry out these specific tasks with Experiment Center 2 3 2009 SensoMotoric Instruments GmbH Version 2 3 27 SMI Experiment Center 2 6 2 Starting Experiment Center As a precondition the iView X system needs to run in order to allow Experiment Center 2 3 to auto connect 1 Double click the iView X icon on the desktop L iView X icon 2 To start Experiment Center 2 3 use the Windows Start All Programs SMI Experiment Suite 360 Experiment Center 2 2 menu command Alternatively double click the following icon on the desktop amp Experiment Center 2 3 icon During startup Experiment Center 2 3 automatically tries to establish a connection to the iView X system If that fails Experiment Center 2 3 tries to establish a connec
67. p Instructions 64 6 4 3 Analyzing Experiment Data For analysis purposes you can view the recorded measurement data in BeGaze 2 3 The experiment s results are stored in idf files which are located in the results subdirectory You can load one of these files in the BeGaze 2 3 application for visualization and further analysis 1 Run and end the experiment see Running an Experiment 541 and Subject Protocol 62 2 To further analyze the experiment click the button in the lower right corner in order to start BeGaze 2 3 and to automatically load the current experiment data into BeGaze 2 3 If the experiment already exists in BeGaze the exisitng experiment is been updated with the new data sets The BeGaze button is enabled if valid data exist and if BeGaze 2 3 is not already running w For more information about experiment analysis refer the BeGaze 2 3 Online Help 2009 SensoMotoric Instruments GmbH Version 2 3 User Interface Chapter User Interface 66 7 User Interface 7 1 Application Window Experiment Center 2 3 features a user friendly intuitive interface All steps for preparing testing and running an experiment are executed in the Application Window In the following you find a description of its three working areas e Attop Experiment preparation and control area e Inthe middle Experiment setting and preview area e At bottom Experiment execution area fx SMI Expe
68. pplying firm remain the owners of the delivered software even if it is altered Trademarks BeGaze is a trademark of SensoMotoric Instruments GmbH iView X is a trademark of SensoMotoric Instruments GmbH Experiment Center is a trademark of SensoMotoric Instruments GmbH SensoMotoric Instruments is a trademark of SensoMotoric Instruments GmbH Microsoft Windows are registered trademarks of Microsoft Corporation 2009 SensoMotoric Instruments GmbH Version 2 3 License Agreement and Warranty Chapter License Agreement and Warranty 104 11 License Agreement and Warranty IMPORTANT PLEASE READ CAREFULLY This license agreement Agreement is an agreement between you either an individual or a company Licensee and SensoMotoric Instruments GmbH SMI The Licensed Materials provided to Licensee subject to this Agreement include the software programs which were installed on the equipment Licensee purchased from SMI the Designated Equipment at the time of delivery of the Designated Equipment and or other software programs SMI has granted Licensee access to the Software as well as any on line or electronic documentation associated with the Software or any portion thereof the Documentation as well as any updates or upgrades to the Software and Documeniation if any or any portion thereof provided to Licensee at SMI s sole discretion By installing dow
69. raBe 21 D 14513 Teltow Germany Phone 49 3328 3955 0 Fax 49 3328 3955 99 email info smi de SensoMotoric Instruments Inc 75 Arlington Street Boston MA 02116 USA Phone 1 857 241 3865 Fax 1 857 241 3601 Toll Free 888 SMI USA1 email info smiusa com Please also visit our home page http Awww smivision com Copyright 2009 SensoMotoric Instruments GmbH Last updated May 2009 Version 2 3 2009 SensoMotoric Instruments GmbH Index 112 Index A About SMI 111 Analysis BeGaze 2 3 64 Subject Protocol 62 Application Window 66 B Basic Operation 13 BeGaze 2 3 64 C Calibration 57 Background Information 90 91 Setting 35 Tips 59 Verification Picture 57 Commands 71 Connection Settings 17 19 Copyright 102 104 CSV 62 D Data Paths 17 78 Data Storage Structure 78 80 81 Experiment 80 Results 81 Delete 32 Directory Structure 78 Dongle General Information 8 Installation 89 Troubleshooting 89 Double Monitor Settings 23 Double PC Setup 14 17 19 Dry Run 53 E Experiment 78 80 Analyzing Measurement Data 64 Basic Operation 13 Calibration 57 Change 29 Delete 32 Directory Structure 78 Dry Run 53 End 62 Execution 60 File 80 Load 29 New 28 Run 54 Save 30 Start 55 Experiments Import and Export 79 Export Measurement Data 64 Exporting Experiments 79 F Features 11 File 80 81 Experiment 80 Formats 82 2009 SensoMotoric Instrumen
70. racking data one for each subject The idf file has the following naming convention lt subject name gt lt experiment name gt lt trial number gt idf e A protocol text file for each subject with the following naming convention lt subject name gt lt experiment name gt lt trial number gt txt e Files containing the rendered visual stimuli for analyzing the experiment with the BeGaze 2 3 software The file names of these files are also used as trial separations in the idf file e Files containing experiment workflow subject property information and automatic generated AOI information 5 IDF file recording screen shots and video recording start after a successful calibration For this reason the files stored in the results folder do not include the calibration Rendered stimuli reference The presented text and image stimuli are stored as rendered single bitmap files based on screenshots during experiment execution The naming convention is Text text lt increasing number gt jpg Image lt original filename gt jpg Web stimuli are stored as a single bitmap of each presented web site represented by an unique URL The naming convention is Version 2 3 2009 SensoMotoric Instruments GmbH Data Storage 82 Web lt URL with replaced special characters gt jpg Movies will be copied from the experiment s to the results directory The naming convention is Movie lt original filenam
71. revious recorded results from the hard disk Click Delete to remove the results Click Keep Results if you do not want the results to be removed 2009 SensoMotoric Instruments GmbH Version 2 3 33 SMI Experiment Center 2 You cannot revert the deletion of data after confirming one of the security queries For this reason you should make backups of your user data frequently 6 3 5 Stimuli Settings A stimulus is something that is presented on a monitor to the subject in front of the monitor Experiment Center 2 3 supports a broad range of stimuli types and allows combining them in one experiment Each stimulus is represented as an element in the Application Window 6 While preparing the experiment the operator can set the properties of each stimulus individually according to the experiment objective The presentation can contain text 37 gt an image 411 a movie 431 a web site 441 or an interactive screen recording 471 Add stimulus To add stimuli to be used in your experiment proceed as follows 1 Click the desired button in the top toolbar 68 Alternatively you can choose the respective entry from the Insert 7 menu The stimulus is added to the list of stimuli as a new element Type Source Duration ms Fit to Screer Random Group Text starting rtf auto Image slide1 PNG 4000 Image slide2 PNG 4000 Movie rtuner wmv 8000 Image surprise1 PNG 1000 Image surprise2 PNG 1000 Image surprise3
72. ric Instruments GmbH Version 2 3 53 SMI Experiment Center 2 Delete subject property To delete subject properties proceed as follows 1 Inthe Extras menu select the Subject Property Editor command The Subject Property Editor dialog opens The Property Name list displays the already defined properties 2 Select the property you want to delete 3 Click Delete 6 4 Running Experiments 6 4 1 Dry Running an Experiment The dry run of an experiment allows the operator to check the experiment settings before it is used The dry run is a test scenario evaluation without calibration and recording Prerequisites Before you start the dry run ensure that e the appropriate experiment is loaded 29 e the stimuli properties are set properly 33 e the experiment has been saved Dry run experiment To execute the dry run proceed as follows 1 Ensure that the experiment is locked A If it is unlocked click Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 54 2 4 A to lock If you want to display the visual stimulus on a second monitor select the desired monitor in the Select Stimulus Monitor drop down list see Double Monitor Settings 23 Click 2 in the bottom toolbar The experiment dry run starts Calibration is skipped and nothing is recorded Press F12 to stop the dry run at any time 6 4 2 Running an Experiment Prerequisites
73. riment Description of Experiment Created by Date ECS Save experiment to a new name 1 Select Save as from the File menu to save the experiment with a new name 2 Inthe Save experiment dialog enter the new name in the Name of Experiment field 3 Add a short experiment description in the Description of Experiment input field 4 Change the Created by information if desired This information is inserted automatically when creating a new experiment 5 Click Save Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 32 6 3 4 Delete Experiments Over time the Experiment Center 2 3 data base may include superfluous experiments You can remove experiments with the following steps Note that the corresponding sub directory is removed from the Experiments folder see Data Storage Structure 78 1 From the File menu select the Delete Experiments command The Delete Experiment dialog opens f x Delete experiment Name of Experiment Description of Experiment Created by Date 2 Select and experiment from the list You can select multiple experiments also Press the CTRL key and select additional entries concurrently 3 Click Delete A query dialog opens asking for confirmation Click on Cancel to stop now Click on Delete to confirm 4 After the first confirmation a second query dialog opens asking you if you also want to remove p
74. riment Center Gaze Test exp A Experiment Preparation and Control File Insert Extras ial T L D bi D New Open Save Locked Connected Type Source Duration Fit to S Random Elemank Pisview stimulus monitor gt display while Image 44338ae8 5000 x y 4 running experiments A a a KT lt 44338ae8 bmp gt Element Properties RED Tracking Monitor ne while running experiments saamin oa gt E A WADISPLAY1 r Z Identify DryRun R BeGaze 2009 SensoMotoric Instruments GmbH Version 2 3 67 SMI Experiment Center 2 Top Experiment preparation and control area This working area comprises the main menu and the top toolbar Use the top toolbar buttons and the main menu entries to prepare your experiment and to control it For detailed information please refer to the help topics entitled Toolbars 67 and Menu Commands 711 The title bar indicates the program name Middle Experiment setting and preview area In this area the experiment settings are reported On the left the list of elements used as stimuli is presented in a single pane On the upper right of this area the preview pane is located This pane shows a preview of a stimulus selected in the list of stimuli Below the preview pane navigation arrows allow you to display the previous arrow left or the next arrow right stimulus While running experiments this area also shows the current stimulus together with the
75. riment Center 2 comply with duties the very discharge of which is an essential prerequisite for the proper performance of the Agreement b In cases of Section 6 a the liability is limited to the damage which is typical for contracts like this Agreement and which could have been foreseen c SMS liability is also limited to the damage which is typical for contracts like this Agreement and which could have been foreseen for damages caused by the gross negligence of an agent or an employee of SMI who is not an officer or executive of SMI d In cases of Sections 6 a and c SMI s liability is limited to a maximum amount of EURO 500 000 respectively EURO 100 000 for financial losses e Licensee s claims for damages caused by slight negligence or caused by the gross negligence of an agent or an employee of SMI who is not an officer or executive of SMI which are not based on defects and thus not subject to time barring in accordance with Sec 5 d are time barred at the latest 2 years from the point in time Licensee became aware of the damage and regardless of Licensee s awareness at the latest 3 years after the damaging event f With the exception of liability under the Product Liability Law for defects after having given a guarantee for fraudulently concealed defects and for personal injury the above limitations of liability shall apply to all claims irrespective of their legal basis in particular to all claims bas
76. s GmbH Version 2 3 37 SMI Experiment Center 2 b Target Shape direct button in the preview window Click on that button and select one of the four predefined targets or select a user defined target D The maximum size for user defined target shapes is 128x128 pixel 6 Quality check field Click to open a drop down list Select Calibration if the calibration quality shall be shown in a dialog box after the calibration The calibration quality is presented visually and the average deviation of the users gaze during calibration in comparison to all calibration points is shown The operator can decide to continue or repeat the calibration if desired Select Validation if a validation shall be executed at the end of the calibration routine by showing four additional points to the subject The validation quality is then presented visually and the average deviation of the subjects gaze to the validation points is shown The operator can decide to continue or repeat the calibration if desired Select None setting to continue with the next stimulus unconditionally After you have set the calibration continue with selecting and setting up the stimuli s 6 3 5 2 Text Stimulus Element A text stimulus is entered in a special editor window provided by Experiment Center 2 3 see Text Editor Window 75 The text editor allows you to edit the text content while displaying nearly the end result visible later dur
77. s require substantial system resources during execution While this does not affect the system during idle times those background processes may disturb a running gaze tracking experiment If you notice a degradation in system responsiveness you may consider the following points e Disable the background scan function of your virus scanner This function scans newly started executables and various file formats while they are read in from the hard disk drive Use the on demand virus scan function instead e Make sure that no CPU consuming screen saver is automatically activated during a running experiment It is best to completely switch off the screen saver during an experiment e You may also deactivate any auto update functions While background downloading of files does not normally use too much system resources confirmation dialogs and update notices may disturb an experiment e Also check the power configuration of a notebook PC In the Windows Control Panel select the Performance and Maintenance category Start the Power Options applet and select the Presentation entry in the Power Schemes list verify that your system setup as well as the experiment setup is matching our recommendations see also System Requirements 93 Error message Cannot reset the Red If a message appears cannot reset the RED check the following Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 96
78. sed Materials and all copies and portions thereof remain exclusively with SMI The Agreement does not constitute a sale of the Licensed Materials or any portion or copy of it Title to and ownership in Licensee s application software that makes calls to but does not contain all or any portion of the Software remains with Licensee but such application software may not be licensed or otherwise transferred to third parties without SMI s prior written consent 3 Confidentiality Licensed Materials are proprietary to SMI and constitute SMI trade secrets Licensee shall maintain Licensed Materials in confidence and prevent their disclosure using at least the same degree of care it uses for its own trade secrets but in no event less than a reasonable degree of care Licensee shall not disclose Licensed Materials or any part thereof to anyone for any purpose other than to its employees and sub contractors for the purpose of exercising the rights expressly granted under this Agreement provided they have in writing agreed to confidentiality obligations at least equivalent to the obligations stated herein 4 No Reverse Engineering License shall not and shall not allow any third party to decompile disassemble or otherwise reverse engineer or by any means whatsoever attempt to reconstruct or discover any source code or underlying ideas algorithms file formats or programming or interoperability interfaces of the Software or of any files contained
79. ser video and user audio SMI delivers a selected and verified Webcam with the observation package to ensure best results video resolution dropped frames delay The recording of a video and audio can be switched on and off in the global settings 171 dialog There are two modes available e Video recording only e Video recording and audio recording a Although the delivered webcam is hand selected and no delay could be observed with this camera a 100 synchronized recording of the user video to the presented stimuli cannot be guaranteed The recoding delay is influenced by the experiment performance requirements the webcam driver the USB chipset the number of used devices on the USB interfaces and the Microsoft DirectShow interface which are all under control of the MS Windows XP Vista operating system and can only be influenced up to a certain level Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 92 9 5 Program Installation The product installation media CD Rom offers suitable software packages to install Please run the auto start application from the installation medium and click on the respective buttons to install necessary software 7 installation SMI Experiment Suite SMI Products Experiment Suite 360 Sample Data Experiment Center BeGaze Prerequisites Microsoft Net 3 5 Download trom Web Microsoft Media Player 11 Download trom We Microsoft Internet Explorer 7 Down
80. subject A correct distance of the subject to eye tracking device shall be between 60 and 80 cm e Advise the subject to minimize his her head movements The subject should look at the target while keeping his her head still as much as possible e You should pay attention to the overall screen stimulus brightness and luminosity If you present very different stimuli in sequence the subject s pupil will adapt to the light emitted by the screen For this reason the same background color should be used throughout all presented stimuli 6 4 2 3 Stimuli Presentation After a successful calibration the system processes the experiment by presenting the stimuli The transition between stimuli can be executed automatically by the system according to the stimuli properties or manually controlled by the operator The following tables give an overview how to control the stimuli presentation and which keyboard shortcuts are active while presenting the respective stimulus The Duration property of each stimulus determines how the transition between stimuli is triggered 2009 SensoMotoric Instruments GmbH Version 2 3 61 SMI Experiment Center 2 Duration property set to auto Text Image Web Movie Screen Recording Automatic End of ends if movie Next F11 F11 F11 stimulus is F a Duration property set to a value in milliseconds Text Image Web Movie Screen Recording Automatic Timed end Timed end T
81. subject s online gaze cursor On the lower right you find the properties area which shows information on a selected stimulus element While running experiments using the RED gaze tracking device this area can be switched to the tab showing the RED Tracking Monitor When a User camera is selected this area can be switched to the tab showing the user camera video Bottom Experiment execution area This area serves to configure and run the experiment Use the buttons in this area to test the experiment so called dry run and to execute it Moreover you can export the experiment results to the BeGaze 2 3 program for further analysis For detailed information please refer to the help topic entitled Toolbars 68 For information on how to run experiments please refer to the help book entitled Step by step Instructions 26 1 Experiment Center 2 3 can be operated with separate monitors for the operator and the subject see Double Monitor Settings 23 In this case the operator has to select and identify the appropriate monitor where the stimuli are presented to the subject For this the experiment execution Version 2 3 2009 SensoMotoric Instruments GmbH User Interface 68 area contains the Select Stimulus Monitor drop down list and the corresponding Identify command For more information on operating modes please refer to the topic entitled Basic Operation 131 7 2 Toolbars Top toolbar Le Unlocked Disc
82. t Yes to display the move in full screen mode Note that the scaling preserves the aspect ratio of the movie Select No if you want to keep the movie s original size The display area not covered by the stimulus is filled with the calibration background color Inthe Record User Events field click to open a drop down list Select Yes if user events such as key presses except function keys and mouse clicks should be recorded in the resulting IDF file You can evaluate recorded user events in BeGaze 2 3 later on Otherwise select No default 6 3 5 5 Web Stimulus Element You can use a web site in your experiment The web site needs to be viewable with the installed Microsoft Internet Explorer 2009 SensoMotoric Instruments GmbH Version 2 3 45 SMI Experiment Center 2 Insert stimulus element To insert a web stimulus element proceed as follows 1 Click in the top toolbar In the Application Window a new web stimulus element is added to the list of stimuli 2 Inthe Web address URL field of the properties pane enter the desired URL The web stimulus browser displayed during the experiment will start with this URL later on The Home button of the browser navigates to this URL also 3 Inthe Navigationbar field click to open a drop down list Select visible if the navigation bar should be visible for the subject during the experiment run Otherwise select invisible 4 Inthe Background Screenrecor
83. ta base Quit Quits program Alt F4 Insert menu Function Calibration Adds calibration entry into the list of stimuli Ctrl C Text Adds text plain text stimulus element Ctrl T Image Adds image stimulus element e g jpg or bmp file ICtrl TI Web Adds web stimulus element URL Ctrl W Movie Adds movie stimulus element e g avi or mpg file Ctrl M Version 2 3 2009 SensoMotoric Instruments GmbH User Interface 72 Insert menu Calibration Text Screen Recording Extras menu Run Calibration Dry Run Experiment Global Settings Subject Property Editor Help menu Help About Function Adds calibration entry into the list of stimuli ICtrl C Adds text plain text stimulus element Ctrl T Adds screen recording stimulus element Ctrl R Function Runs calibration outside of experiment Runs experiment for test purposes without calibration and recording F91 Opens the Global Settings 171 dialog Opens the Subject Properties 5 dialog Function Opens the Online Help F1 Shows information about Experiment Center 2 3 7 4 Keys Overview Several functions of Experiment Center 2 3 can be executed using keyboard commands The following tables give you an overview 2009 SensoMotoric Instruments GmbH Version 2 3 73 SMI Experiment Center 2 Keyboard commands while editing an experiment Press
84. the exception of its conflict of laws rules The application of the United Nations Convention on Contracts for the International Sale of Goods CISG is expressly excluded The courts of Berlin Germany shall have exclusive jurisdiction for any action brought under or in connection with this Agreement Teltow Germany 2004 2009 SensoMotoric Instruments GmbH Version 2 3 2009 SensoMotoric Instruments GmbH About SMI Chapter 111 SMI Experiment Center 2 12 About SMI SensoMotoric Instruments SMI was founded in 1991 by a group of research scientists physicians and engineers in order to pursue the commercial development of measurement and evaluation systems in the field of medicine psychology ergonomics human factors and virtual reality SMI specializes in development and system integration in the field of video and sensor technology associated with digital image and signal processing In 1992 SMI was awarded the Innovation Prize of Berlin Brandenburg for VOG Video Oculography its video based eye movement technology This technology has found widespread use in the medical diagnosis and research of eye movement psychology research as well as in specific research applications for example on the space station MIR For further development SMI collaborates with leading clinical and research laboratories and partners around the world Please contact us SensoMotoric Instruments GmbH SMI Warthest
85. the CPU will need spare resources to examine and calculate the incoming gaze tracking data In case you want to do experiments with different monitors for subject and operator you also need a display adapter capable of driving a secondary display such as a notebook computer with an additional display jack e If you run Experiment Center 2 3 on a separate PC workstation you need at least a 100 Mbit Ethernet interface adapter to connect with the PC workstation running the iView X gaze tracking system that iView X version 2 3 x or higher is required to run Experiment Center 2 3 If you try to connect to an incompatible version of iView X Experiment Center 2 3 displays a corresponding message box and terminates You need to update your iView X software in this case 9 7 Troubleshooting This chapter explains some warnings and error messages that might occur and describes what the user should do in these cases Video Playback If you experience problems during video playback examine the Media 2009 SensoMotoric Instruments GmbH Version 2 3 95 SMI Experiment Center 2 Player s Help Troubleshooting menu command as well as the Media Player s Tools Options Performance dialog tab You may also run the DirectX diagnosis tool to verify the PC s capabilities From the Windows Start menu select the Run command type in dxdiag then confirm with OK System Performance Certain background processes and service
86. this Agreement is held invalid all others shall remain in force Licensee may not in whole or in part assign or otherwise transfer this Agreement or any of its rights or obligations hereunder Termination This Agreement may be terminated without any fee reduction i by Licensee without cause on 30 days notice ii by SMI in addition to other remedies if Licensee fails to cure any breach of its obligations hereunder within 30 days of notice thereof iii on notice by either party if the other party ceases to do business in the 2009 SensoMotoric Instruments GmbH Version 2 3 109 SMI Experiment Center 2 normal course becomes insolvent or becomes subject to any bankruptcy insolvency or equivalent proceedings Upon termination by either party for any reason Licensee shall at SMI s instructions immediately destroy or return the Licensed Materials and all copies thereof to SMI and delete the Software and all copies thereof from the Designated Equipment Entire Agreement Written Form Requirement There are no separate oral agreements any supplementary agreements or modifications hereto must be made in writing This also applies to any waiver of this requirement of written form Notices All notices under the Agreement must be in writing and shall be delivered by hand or by overnight courier to the addresses of the parties set forth above Applicable Law and Jurisdiction German law applies with
87. tion with the settings from the last successful session 3 Check the status of the connection by examining the connection button Indicates that the connection is established When the mouse cursor is over the icon information is shown about the connected eye tracking device and iView X software version sc Indicates that the connection is currently not established As long as no connection is established you cannot start a recording If this is the case check whether iView X is running and if the connection settings are correct see Global Settings 17 gt Version 2 3 2009 SensoMotoric Instruments GmbH Step by step Instructions 28 6 3 Preparing Experiments 6 3 1 Creating a New Experiment An experiment is a set of visual stimuli that are presented in a sequential order to the subject Create experiment To create a new experiment proceed as follows 1 Double click the amp icon on the desktop The Application Window 6 opens It is already disposed to create a new experiment The calibration element is already included in the list of stimuli 2 Add new stimuli s and edit the stimuli s properties 3 Set calibration properties 351 4 Optional add subject properties 511 5 When setting is completed click A lock the experiment This way settings cannot be changed accidentally 6 Save the experiment see Saving Experiments 30 The currently logged in user information is
88. ts GmbH 113 SMI Experiment Center 2 File 80 81 Results 81 Firewall Settings 19 G Gaze Data 59 Global Settings 17 H Hotkeys 60 72 IDF file 81 Importing Experiments 79 Installation 92 Introduction 2 iView X 27 K Keys 72 L License Agreement 104 Update 8 Load 29 M Media Types 82 Menu Commands 71 N Network 17 19 0 Open 29 Overview 11 P Point of Regard 59 Product Variants 8 Program Installation 92 Protocol 62 R Randomization Groups 49 Recording End 62 Presentation 60 Start 55 Step by Step 54 Remote Path 17 19 Requirements 93 Results 81 S Safety Instructions 6 Save 30 Scrambling Groups 49 Security Advice 6 Settings Connection 17 Double Monitor 23 Network 19 Subject Properties 51 Setup 14 2009 SensoMotoric Instruments GmbH Index 114 Software Version 4 Starting Experiment Center 27 Step by step Instructions 26 Stimulus Image 41 Monitor 55 Movie 43 Random Order 49 Reference 60 Screen Recording 47 Set 33 Text 37 Web 44 Subject Information 55 Subject Properties 51 Subject Protocol 62 Supported File Formats 82 System Requirements 93 Setup 14 Target 59 Text Editor Window 75 Toolbars 68 Trademarks 102 Troubleshooting 94 U User Interface 66 Application Window 66 Keys 72 Menu Commands 71 Text Editor Window 75 Toolbars 68 V Verification Picture 57 W W
89. ty to the extent any claim involves a Software release other than the current unaltered release if such would have avoided infringement or use of the Software in combination with non SMI programs or data unless the infringement would also incur without such combination The foregoing states the entire obligation and liability of SMI with respect to any infringement by Licensed Materials of any intellectual property rights or other proprietary rights of Licensee or a third party without prejudice to any claims for damages in accordance with Section 6 Licensee Indemnity Licensee will defend and indemnify SMI and hold it harmless from all costs including attorney s fees arising from any claim that may be made against SMI by any third party as a result of Licensee s use of Licensed Materials excluding claims for which SMI is obligated to defend or indemnify Licensee under Section 7 Export Restriction Licensee will not remove or export from Germany or from the country Licensed Materials were originally shipped to by SMI or re export from anywhere any part of the Licensed Materials or any direct product of the Software except in compliance with all applicable export laws and regulations including without limitation those of the U S Department of Commerce Non Waiver Severability Non Assignment The delay or failure of either party to exercise any right provided in this Agreement shall not be deemed a waiver If any provision of
90. up the iView X gaze tracking system is executed on one PC This PC is connected to the gaze tracking device which is for example an RED4 interface mounted underneath the visual stimulus monitor Experiment Center 2 3 is executed on a second PC Both components are interconnected using a UDP IP socket connection see Global Settings 177 This setup can be used for example if dedicated performance requirements exist and the CPU usage of the iView X system disturbs the visual presentation or subject interaction While it is possible to execute experiments using a single monitor the standard experiment setup includes a double monitor setup one monitor for the operator and a second monitor to present the visual stimuli to the subject see Double Monitor Settings 23 2009 SensoMotoric Instruments GmbH Version 2 3 15 SMI Experiment Center 2 w Please read also the chapter Limitations Setup recommendations 86 Version 2 3 2009 SensoMotoric Instruments GmbH Configuration Chapter 17 SMI Experiment Center 2 5 Configuration 5 1 Global Settings The Global Settings dialog allows you to change the Experiment Center 2 3 configuration If you simply want to reconnect Experiment Center 2 3 to the iView X system confirm the current settings with OK To change the Experiment Center 2 3 default configuration depicted above proceed as follows TT 1 In the Application Window 6
91. used Note that most note books provide an additional monitor plug for this Otherwise you need a graphics adapter with double monitor dual head support Display Properties Themes Desktop Screen Saver Appearance Settings Drag the monitor icons to match the physical arrangement of your monitors Display 1 Multiple Monitors on TI MOBILITY RADEON 9600 Series Screen resolution Color quality Less J Moe Highest 32 bit 1280 by 1024 pixels ii nin E Use this device as the primary monitor Extend my Windows desktop onto this monitor Troubleshoot The following steps activate the second monitor 1 In the Windows Control Panel select the Appearance and Themes category With Windows XP open the Display Properties applet and switch to the Display Settings tab With Windows Vista select the Change display resolution task Version 2 3 2009 SensoMotoric Instruments GmbH Configuration 4 Check whether the display driver supports a second monitor This is the case if two screen icons 1 and 2 are displayed Check whether the second monitor is operational This is true if the second monitor icon is not grayed out Otherwise plug in and switch on the second monitor You may need to re open the Display Properties applet or with some older notebooks you may need to restart Windows Click on the second monitor icon and select the desir
92. ware tab and click on the Device Manager button Verify that the Universal Serial Bus controllers tree does not show any yellow warning signs The screen shot below shows a functional USB port with a correct Windows driver installation Z Device Manager File Action View Help lt System devices 6 Aladdin HASP HL Key Aladdin HASP Key Aladdin USB Ke GS Intel r 82371 4B EB PCI to USB Universal Host Controller gt ISR Rant Huh If the dialog displays a warning sign for a driver right click the entry and select the Update Driver command from the context menu Verify that the dongle driver is installed properly Open the Windows Control Panel and double click the Add or Remove Programs icon Check if the list shows the HASP SRM Run time entry Version 2 3 2009 SensoMotoric Instruments GmbH Appendix 90 E Add or Remove Programs Eu ts Currently installed programs Sort by Name v Change o r amp Agent Ransack Size 128MB Pragrams j BeGaze 2 1 Size 30 59MB 2 T Comfort Pro TAPI Size 0 30MB j Experiment Center Size 98 58MB Add New Programs j BJ HASP SRM Run time Size 7 73MB s amp J25E Runtime Environment 5 0 Size 71 79MB M Close that the HASP SRM Run time is installed during the installation of Experiment Center 2 3 Do not deny the installation of this software during installation when prompted 5 Type and status of your li
93. y filter the file by copying and pasting the contents via the Windows clipboard Image Media For image media the following file formats are supported e BMP an older file format supported on all Windows versions has different color depth variants such as black amp white 16 colors 256 colors and true color e JPG preferred for photographic images true color model only saves disk space but may show compression artifacts if repeatedly opened changed and saved e PNG a newer compressed and lossless image format has a 256 color and a true color variant For optimal display the image file should have the same dimensions and color depth as the display resolution used for the subject s monitor Although it is possible to scale the image media during presentation this may produce unwanted raster image scaling artifacts m All of the above image file formats are supported by common image editing software If no conversion is available you can copy the raster image to the Windows clipboard then paste the image into the Windows Paint accessory Then you can save it to a disk file from there Version 2 3 2009 SensoMotoric Instruments GmbH Data Storage 84 Web Media A typical web site consists of HTML and embedded media The desired web site presented as stimulus needs to be displayed correctly in the installed Internet Explorer version Movie Media Experiment Center 2 3 supports the same audiovisual

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