Table 2.
Descriptives for test-averaged item ratings with experts as cases
| Item | Mean | Median | SD | Minimum | Maximum | ICC average measures |
|---|---|---|---|---|---|---|
| Content | 3.5 | 3.4 | 0.7 | 2.4 | 4.6 | 0.86 |
| Breadth | 3.3 | 3.3 | 0.6 | 2.4 | 4.4 | 0.90 |
| Peer review | 3.6 | 3.7 | 0.7 | 2.9 | 4.9 | 0.88 |
| Reliability | 4.2 | 4.3 | 1.0 | 2.8 | 5.7 | 0.54 |
| Instructions | 5.0 | 4.8 | 1.4 | 2.6 | 7.3 | 0.69 |
| Visual quality | 5.3 | 5.3 | 1.7 | 3.0 | 8.0 | 0.76 |
| Interface quality | 5.6 | 5.5 | 1.3 | 3.7 | 8.3 | 0.75 |
| Performance check | 2.9 | 2.0 | 2.3 | 1.5 | 8.2 | 0.50 |
| Computer knowledge | 4.1 | 3.2 | 2.5 | 1.6 | 8.7 | 0.34 |
| Information | 3.8 | 3.8 | 0.9 | 2.2 | 4.8 | 0.71 |
| Consent | 1.9 | 1.9 | 0.3 | 1.6 | 2.2 | 0.94 |
| Privacy | 1.8 | 1.8 | 0.4 | 1.3 | 2.3 | 0.93 |
| Scope | 2.7 | 2.4 | 1.0 | 1.6 | 4.1 | 0.74 |
| Outcome wording | 3.1 | 3.1 | 0.8 | 1.6 | 4.3 | 0.83 |
| Outcome interpretation | 3.0 | 3.0 | 0.7 | 1.7 | 3.8 | 0.81 |
| Conflict of interest | 1.4 | 1.3 | 0.3 | 1.1 | 3.5 | 0.48 |
| Advice | 2.8 | 3.1 | 0.8 | 1.1 | 3.5 | 0.75 |
| Overall quality | 2.8 | 2.7 | 0.6 | 1.9 | 3.6 | 0.88 |
Abbreviations: SD, standard deviation; ICC, intraclass correlation coefficients.