You stop a recording before the last stimulus has been completed by clicking on the “Stop recording” button in the moderator
view or by pressing the “Esc” button on the keyboard.
A Scene Camera recording can only be stopped by the moderator, as the recording doesn’t follow a timeline.
4.2.5
Participants and Participant Variables
You use Participant Variables to filter data when generating visualizations, calculating eye tracking metrics and comparing the
behavior of different participant groups. Variable and variable values are also included in the data export files for further statisti-
cal processing. Once created, you can select values for the participant variables when you edit your participants.
The participant variables are handled from the Participant card in the Record module in Pro Lab or from the Project Overview.
You may define participant variables before or after recordings. A newly created participant will have all variables available which
were defined prior, while when adding a new participant after you have defined some variables, the value for these and subse-
quently added participants will be “not specified”.
4.2.5.1
Adding a new participant variable
Procedure for adding a new participant variable:
1.
If you work from the Record tab, click the “Edit variables” button. If you work from the Project Overview window, the Par-
ticipant Variables panel is already visible and you can start adding participant variables.
2.
If this is the first time you add participant variables, you see a “+ New” button for creating a new participant variable and
a generic participant variable. If you already have participant variables defined for this participant, they are displayed, see
the Tobii Pro Lab user manual, section
6.2.5.3 Editing an existing participant variable
.
3.
Enter the name of the first participant variable in the text field and press Enter.
4.
Add a new value for the participant variable by clicking the “+” button. A field appears.
a.
Enter the name of the value.
b.
Add the wanted values by using the Add Value button.
c.
If the participant variable is supposed to accept multiple values, select the “Allow multi selection” check box.
d.
You can also add a new value by pressing Enter in a value field.
5.
When you have added the desired values, you can add another participant variable by repeating steps 2–4d.
4.2.5.2
Creating a new participant
Procedure for adding a new participant:
1.
Click the Plus sign and enter the participant’s name.
2.
If there are already defined participant variables, select the values for the participants.
4.2.5.3
Edit a participant variable
Procedure for editing an existing participant variable in the Project Overview:
1.
If you need to expand the desired participant variable, click on the down arrow below it or click on the “Expand all” but-
ton to display all participant variables.
2.
Edit the desired the data. When you are done, press Enter.
3.
If you want to create new participant variables and values, see “.
Options for deletion:
•
If you want to delete a value for a participant variable, click the trash can symbol to the right of the value.
•
If you click the trash can symbol to the right of the participant variable name, you delete that participant variable and all
of its values. A dialog box lists the affected participants.
4.2.5.4
Deleting a participant
Procedure for deleting a participant:
1.
Find the desired participant and press the trash can symbol to the right of the participant name.
2.
If there are existing recordings for this participant, Pro Lab lists those that are about to get deleted.
If you want to keep
these recordings, DON’T delete the participant.
Tobii Pro Mobile Device Stand User’s manual v.1.0.8 - en-US
4 Configuring Eye Trackers from Tobii Pro with the Mobile Device
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Summary of Contents for Mobile Device Stand
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