Table 2.
Measure | Description |
Average response time | The elapsed time between the question presentation and the participant selection of one of the answer choices. |
Average elapsed time per question | The average elapsed time for answering presented question, excluding the recall delay time. |
Correct answer score | Percentage of questions answered correctly from the first trial. |
Posttask questionnaire score | Participants’ feedback related to his/her overall satisfaction in fulfilling the required task (between 0 and 7). |
NASA-TLXa score | The overall NASA-TLX subjective workload score (between 0 and 100). |
aNational Aeronautics and Space Administration task load index.