Table 3.
:user experience of six on-line registries (n = 10)
| Usability criteria | Mean user experience rating* (n=10) | |||||||
|---|---|---|---|---|---|---|---|---|
| SANCTR | Clinical Trials.gov | ICTRP | EUCTR | ISRCTN | PACTR | Average | ||
| Layout and design of the on-line registers | Website information | 3.58 | 4.00 | 3.75 | 3.67 | 4.42 | 3.75 | 3.86 |
| Coherence of the website | 4.25 | 4.34 | 4.25 | 4.25 | 4.25 | 4.25 | 4.26 | |
| Arrangement of information on the website | 3.33 | 3.75 | 3.17 | 3.50 | 4.00 | 2.75 | 3.41 | |
| Navigability of the website | Exiting the website | 3.33 | 3.75 | 3.42 | 2.92 | 3.33 | 3.42 | 3.36 |
| Placement of the information on the website | 3.17 | 3.58 | 3.33 | 3.25 | 3.75 | 2.92 | 3.33 | |
| Presence of navigation buttons and hyperlinks | 2.83 | 3.92 | 3.17 | 2.75 | 3.25 | 3.08 | 3.17 | |
| Content features of the online registers | Presence of content and interactive features on the website | 2.42 | 3.58 | 2.67 | 2.67 | 3.17 | 2.83 | 2.89 |
| Efficiency, Memorability and Errors in on-line registry | Performance of ‘Search’ option on website | 2.00 | 3.50 | 2.83 | 3.08 | 2.92 | 2.50 | 2.81 |
| Overall user-friendliness of the website | 2.42 | 3.83 | 3.17 | 3.17 | 3.33 | 2.42 | 3.05 | |
| Mean Score | 2.93 | 3.77 | 3.26 | 3.23 | 3.553 | 3.04 | ||
*
1 (Terrible); 2 (Bad); 3 (Average); 4 (Good); 5 (Excellent); Highest score for each criterion marked in red