Page 160 - THE DUTCH TALKING TOUCH SCREEN QUESTIONNAIRE

Chapter 4
out of those he selected in answer to Question 4 (see appendix 2, screenshot 9 ‘Most important activities’). Because most of his answers had not actually been ‘selected,’ he only saw a fraction of his ‘activity selection’. This confused him. He thought he had misunderstood the question. He did not know how to answer it. After he unsuccessfully tried to skip the question by tapping on the ‘next’ button, he stopped completing the questionnaire by handing it back to the researchers.
Frequency and severity of problems encountered
Even though two participants were able to complete the Turkish TTSQ fully (see Table 4.3.3), no participant completed it without encountering any problems. A complete overview of the frequency and severity of all problems encountered during operation of the Turkish TTSQ can be found in Table 4.3.4.
Table 4.3.4. Frequency and severity of problems encountered during the completion processes for all participants
1. Accidentally skipping a screen by double- 2 tapping the ‘next’ button
2. Double-tapping an answering option 0 causing activation and deactivation of
the answer of choice
3. Skipping a screen by accidentally 0 touching the next button with the palm
of the hand
4. Not using the navigation function of the 5 photo gallery in Question 4 causing the participant to not see all response items
5. Touching the text under a photo in 4 Question 4 to select an activity, instead
of touching the photo itself, causing the activity not to be selected
6. Not able to see whether or not a selected 1 answer is activated (not accentuated enough)
2 low 0 -
0 -
22 serious 10 critical
1 low
154
Problem
Number of participants who encountered the problem
Number of times the problem occurred
Severity rating