Table 4 Controlled User Testing Results. The table summarizes the results of the 14 users performing the 9 tasks
From: Health figures: an open source JavaScript library for health data visualization
Task | Successfully | Errors | Average time | Standard deviation |
|---|---|---|---|---|
| Â | completed | Â | (seconds) | (seconds) |
Task 1 | 14 | 4 | 12.21 | 12.60 |
Task 2 | 11 | 0 | 10.00 | 12.38 |
Task 3 | 14 | 1 | 10.78 | 5.38 |
Task 4 | 14 | 2 | 6.78 | 4.98 |
Task 5 | 14 | 0 | 17.50 | 6.60 |
Task 6 | 14 | 2 | 16.07 | 16.52 |
Task 7 | 14 | 0 | 6.21 | 5.591 |
Task 8 | 14 | 1 | 7.85 | 5.882 |
Task 9 | 13 | 1 | 9.23 | 4.729 |