Concept | Basic conditionsb | Availabilityc | Accessibilityd | Result and feedbacke | Overall opinionf |
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Mean (range) | Mean (range) | Mean (range) | Mean (range) | Mean (range) |
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Comprehensibilitya | 4.0 (3–5) | 4.1 (2–5) | 4.0 (1–5) | 4.2 (2–5) | 4.0 (4–4) |
User-friendlinessa | 4.3 (4–5) | 4.5 (2–5) | 4.3 (2–5) | 4.5 (4–5) | 4.3 (4–5) |
Feasibilitya | | 4.6 (1–5) | 4.3 (3–5) | 4.0 (4–5) | 4.0 (4–4) |
Time investmenta | | | | | 3.4 (2–5) |
Satisfactiona | | | | | 4.0 (3–5) |
- aAll measured on a 5-point Likert scale from negative to positive (e.g. very incomprehensible to very comprehensible)
- bBasic conditions were measured with 1 comprehensibility and 1 user-friendliness question
- cAvailability was measured with 7 comprehensibility, 7 user-friendliness and 3 feasibility questions
- dAccessibility was measured with 12 comprehensibility, 9 user-friendliness and 7 feasibility questions
- eResults and feedback was measured with 4 comprehensibility, 1 user-friendliness and 3 feasibility questions
- fOverall opinions were measured with 1 question for each concept, except for time investment which was measured with 3 questions