Table 3.
Usability and usefulness perceived of the S-O instrument.
| Itema | Md | M | SD | Sign test pb |
|---|---|---|---|---|
| Usability: understandability of the terminology | 8 | 8.44 | 1.50 | <0.0001 |
| Usability: understandability of the images | 9 | 8.81 | 1.52 | <0.0001 |
| Usability: aesthetic appearance and easy and clear layout | 9 | 8.78 | 1.25 | <0.0001 |
| Usefulness: behavior improvement during the MMH | 9 | 8.81 | 1.42 | <0.0001 |
| Usefulness: knowledge improvement on MMH technique | 10 | 9.11 | 1.19 | <0.0001 |
Descriptive statistics and one-tailed sign test results. a10-point response scale was used for all questions (from 1 – very low – to 10 – very high). bOne-tailed sign test using 7.5 as a cut point to define dichotomy.