Table 1.
Post-study app usability questionnaire results
| Questions | Minimum | Q1 | Mean | Median | Q3 | Maximum | Standard Deviation |
|---|---|---|---|---|---|---|---|
| Overall, I am satisfied with how easy it is to use this app | 2 | 3 | 3.62 | 4 | 4 | 5 | 0.96 |
| It was simple to use this app | 2 | 3 | 3.77 | 4 | 4 | 5 | 0.83 |
| I could effectively complete the tasks and scenarios quickly using this app | 2 | 3 | 3.92 | 4 | 5 | 5 | 1.12 |
| I was able to complete the tasks and scenarios quickly using this app | 2 | 2.75 | 3.5 | 4 | 4 | 5 | 1.09 |
| I was able to efficiently complete the tasks and scenarios using this app | 2 | 3 | 3.77 | 4 | 4 | 5 | 0.83 |
| I felt comfortable using this app | 3 | 3 | 4.08 | 4 | 5 | 5 | 0.9 |
| It was easy to learn to use this app | 2 | 4 | 4 | 4 | 5 | 5 | 0.91 |
| I believe I could become productive quickly using this app | 3 | 4 | 4.31 | 4 | 5 | 5 | 0.63 |
| The app gave error messages that clearly told me how to fix problems | 1 | 2 | 2.64 | 2 | 3 | 5 | 1.12 |
| Whenever I made a mistake using the app, I could recover easily and quickly | 2 | 2 | 3.08 | 3 | 4 | 5 | 1 |
| The information provided with this app was clear | 2 | 2.75 | 3 | 3 | 3.25 | 4 | 0.74 |
| It was easy to find the information I needed | 2 | 3 | 3.45 | 4 | 4 | 4 | 0.69 |
| The information provided for the app was easy to understand | 2 | 4 | 3.83 | 4 | 4 | 5 | 0.72 |
| The information was effective in helping me complete the tasks and scenarios | 3 | 4 | 3.92 | 4 | 4 | 5 | 0.64 |
| The organization of information on the app screens was clear | 2 | 3 | 3.54 | 3 | 4 | 5 | 1.05 |
| The interface of this app was pleasant | 3 | 4 | 3.85 | 4 | 4 | 5 | 0.55 |
| I liked using the interface of this app | 2 | 3 | 3.67 | 4 | 4 | 5 | 0.89 |
| The app has all the functions and capabilities I expect it to have | 2 | 3 | 3.75 | 4 | 5 | 5 | 1.14 |
| Overall I am satisfied with this app | 2 | 3 | 3.77 | 4 | 4 | 5 | 0.93 |
Table shows the responses from our cohort of 13 to the PSSUQ. The scale is out of five, with one indicating “strongly disagree” and five indicating “strongly agree”. PSSUQ = Post-Study System Usability Questionnaire