Questionnaire items and description based on the NASA TLX test. The first five questions were given a rating between 1 and 10.
|Dimension || Question |
|Mental demand|| How mentally demanding was the task?|
|Temporal demand|| How hurried or rushed was the pace of the task?|
|Performance|| How successful were you in accomplishing what you were asked to do?|
|Effort|| How hard did you have to work to accomplish your level of performance?|
|Frustration|| How insecure, discouraged, irritated, stressed and annoyed were you?|
|Task ranking|| Which are your preferred tasks, in order of importance?|