Table 8 Computer system usability questionnaire results for overall usability, system usefulness, information and interface quality
From: Health figures: an open source JavaScript library for health data visualization
Metric | Questions | Average | Standard |
|---|---|---|---|
| Â | Â | response | deviation |
Overall usability | 1–19 | 6.02 | 1.04 |
System usefulness | 1–8 | 6.13 | 0.93 |
Information quality | 9–15 | 5.66 | 1.20 |
Interface quality | 16–18 | 6.24 | 0.99 |