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Table 3 Questions 11–20 on controllability

From: Evaluation of the ARTutor augmented reality educational platform in tertiary education

  Question Agree Disagree Undecided
11 I think this software has sometimes given me a headache. 35% 48% 17%
12 It is obvious that user needs have been fully taken into consideration. 42% 19% 40%
13 The organisation of the menus seems quite logical. 76% 11% 13%
14 The software allows the user to be economical of keystrokes. 65% 8% 27%
15 There are too many steps required to get something to work. 22% 59% 19%
16 There have been times in using this software when I have felt quite tense. 19% 20% 61%
17 Error messages are not adequate. 39% 22% 38%
18 Learning how to use new functions is difficult. 13% 65% 22%
19 It is easy to make the software do exactly what you want. 47% 24% 29%
20 I will never learn to use all that is offered in this software. 16% 64% 21%