In completing the inventory, test takers used a 5-point scale to rate how easily they could
perform each task: 1 = not at all, 2 = with great difficulty, 3 = with some difficulty, 4 = with little
difficulty, and 5 = easily. Respondents were encouraged to respond to each statement, but they
were allowed to omit a task statement if they thought it did not apply to them or they were
unable to make a judgment.