Tobii Studio eye tracking software training course

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Tommy's recent presentation covers how to use Studio and undersstand the metrics used

Tommy's recent presentation covers how to use Studio and undersstand the metrics used

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  • 1. Training TOBII STUDIO Creating a project and tests in Studio 1
  • 2. Projects and tests in Tobii Studio Project +  Participants Test 1 Test 2 Test 3 Analysis Analysis Analysis Export to compare Setup, design, calibrate and record 2
  • 3. Replay, analyze, code and export Analyze, visualize and calculate 3
  • 4. Gaze plot Heat maps Duration Count Gaze opacity 4
  • 5. Cluster Bee swarm 5
  • 6. Defining Areas of Interest (AOI) 6
  • 7. Statistics in Tobii Studio  There are two different ways of presenting the statistical data for the  different Areas of Interests (AOI) in Tobii Studio:  Results for the different individual participants  (recordings/participants vs AOIs)   Averages over all participants (Images vs AOIs).  Time to first fixation  The time in seconds from  when the stimulus was shown  until the start of the first  fixation within an AOI. 7
  • 8. Time to First Fixation The time in seconds from when the stimulus was shown until the start of the first fixation within an  AOI. Recordings/Participants vs AOIs The time to the first fixation for every AOI is displayed separately for every participant.  AOI C: Statistics Time to first fixation: 10 sec Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Images vs AOIs The average time to first fixation over all participants is displayed for every AOI. AOI C Time to first fixation: 9 sec Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Fixation length  The length of the fixations in  seconds within an AOI.  8
  • 9. Fixation Length The length of the fixations in seconds within an AOI.  Recordings/Participants vs AOIs The total length in seconds for all the fixations within an AOI is displayed separately for every  participant. AOI C Fixation Length: 4,5 sec Statistics Sum Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Images vs AOIs The average fixation length for all the fixations within an AOI is displayed for the respective  AOIs. AOI C Fixation Length: 0,87 sec Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Fixation count  The number of fixations within  an AOI.  9
  • 10. Fixation Count The number of fixations within an AOI.  Recordings/Participants vs AOIs The total number of fixations within an AOI is displayed separately for every participant. AOI C Fixation Count: 4 Statistics Sum Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Images vs AOIs The average number of fixations within an AOI over all participants is displayed for the respective  AOIs. AOI C Fixation Count: 4 Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Observation length  The total time in seconds for  every time a person has looked  within an AOI, starting with a  fixation within the AOI and ending  with a fixation outside the AOI. 10
  • 11. Observation Length The total time in seconds for every time a person has looked within an AOI, starting with a  fixation within the AOI and ending with a fixation outside the AOI. Recordings/Participants  vs AOIs The total length in seconds for every time a participant has looked within an AOI displayed  separately for every participant. AOI A Observation length: 5,5 sec Statistics Sum Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Images vs AOIs The average observation lengths for the different AOIs are displayed, including all participants. AOI A Observation length: 1,5 sec Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Observation count  The number of visits and re­visits  to an AOI. 1 2 11
  • 12. Observation Count The number of visits and re­visits to an AOI. Recordings/Participants vs AOIs The total number of visits and re­visits to and AOI is displayed for every participant separately. AOI A Observation Count: 2 Statistics Sum Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:05 00:00:15 Images vs AOIs The average number of visits and re­visits to an AOI, including all participants, is displayed for the  respective AOI.  AOI A Observation Count: 2 Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Fixations before  The number of fixations  before the participant fixated  within an AOI for the first time. 12
  • 13. Fixations Before The number of fixations before the participant fixated within an AOI for the first time. Recordings/Participants vs AOIs The number of fixations before a participant fixated within an AOI for the first time is  displayed for every participant separately. AOI B Fixations before: 2 Statistics Sum Fixations, 1 person AOIs A B A C C Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Images vs AOIs The average number of fixations before the different participants fixated the first time within  an AOI, displayed separately for every AOI. AOI B Fixations before: 1,5 Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Participant %  The percentage of participants  that have fixated at least once  within an AOI. 13
  • 14. Participant % The percentage of participants that have fixated at least once within an  AOI. Only available as a total for all participants (Images vs AOIs). AOI C Participant %: 100% Statistics Avg Person 1: B C A A B C C C Fixations Person 2: C B B B AC C C A AAB A Stimulus Recording 00:00:00 00:00:10 00:00:20 00:00:05 00:00:15 Fixation Filters in Tobii Studio  Cleans and decreases  the amount of data  Raw Data Filter  Tobii Fixation Filter  ClearView Fixation  Filter 14
  • 15. The Raw Data Filter  No fixation filter is applied to the gaze data but all data points are  displayed in the visualizations, and used for analysis in the statistics  tool. Note that this will require a lot of computer resources and the  analysis will be very slow if a lot of data is recorded.   The Tobii Fixation Filter  Detects quick changes in the gaze point signal using  sliding averaging. How distinct the changes need to be  in order to divide fixations can be adjusted with a  threshold radius.   Assumes the only eye motions present in the scan­path  are fixations and jumps between fixations. 15
  • 16. The ClearView fixation filter  Defines the maximum distance between two points for them to be  considered belonging to the same fixation and the minimum time for  which gaze needs to be within the radius to be considered a fixation  Recommended settings for different situations: Stimuli/Media with mostly pictures:  Fixation radius 50 pixels and duration   200ms Stimuli/Media with mostly reading:  Fixation radius 20 pixels and duration 40ms  Stimuli/Media with mixed content:  Fixation radius 30 pixels and duration 100ms    Exporting AOI data to SPSS/Excel/MathLab etc. 16
  • 17. Importing in SPSS Importing in SPSS 17
  • 18. Importing in SPSS Importing in SPSS 18