Table 5.
A Joint Display Table to Compare Usability Results From Quantitative Data and Qualitative Data
| Quantitative usability questionnaire (PSSUQ) subscales and items | PSSUQ: mean scores for family caregivers (n = 16) (1 = strongly agree to 7 = strongly disagree, lower scores indicate better usability) |
PSSUQ: mean scores for healthcare professionals (n = 6) (1 = strongly agree to 7 = strongly disagree, lower scores indicate better usability) |
Themes and codes from qualitative data (guided-app review and interview), percentage of participants |
|---|---|---|---|
| Subscale 1: system usefulness | 1.76 | 1.68 | Usefulness (100%) |
| Satisfaction with how easy to use | 1.68 (100% agree) | 1.80 (100% agree) | Ease to use (60%) |
| Simple to use | 1.75 (100% agree) | 1.60 (100% agree) | |
| Complete the tasks quickly using this app | 1.75 (100% agree) | 2.1 (83% agree) | |
| Comfortable to use | 1.56 (100% agree) | 1.50 (100% agree) | |
| Easy to learn | 1.81 (100% agree) | 1.50 (100% agree) | Ease of learning (17.3%) |
| Become productive quickly using this app | 2.06 (93.75% agree) | 1.60 (100% agree) | |
| Subscale 2: information quality | 1.98 | 1.80 | Information quality |
| Give error messages to fix problems | 2.9 (37.5% agree; 37.5% nonapplicable) | 2.6 (50% agree; 50% nonapplicable) | Information quality: Few error/errors preventions (8.6%) |
| Recover easily from errors | 1.25 (100% agree) | 1.60 (100% agree) | |
| Clear information | 1.80 (93.75% agree) | 1.60 (100% agree) | Information quality: Enhancing clarity (78.2%), adding more pain diary input options (47.8%), expanding pain management strategies (30%) |
| Easy to find information | 1.90 (93.75% agree) | 1.60 (100% agree) | |
| Information was effective in helping complete tasks | 1.81 (93.75% agree) | 1.60 (100% agree) | Information quality: effective information (100%) |
| Clear organization of information | 2.25 (93.75% agree) | 1.80 (100% agree) | |
| Subscale 3: interface quality | 2.30 | 1.60 | Interface quality |
| Pleasant interface | 1.93 (93.75% agree) | 1.60 (100% agree) | Interface quality: Aesthetics and clear layout (78%) Interface quality: adding more visuals (39.1%) |
| Like using the interface | 2.187 (87.5% agree) | 1.80 (100% agree) | Interface quality: adding more navigation and scrolling bars (26%) |
| Including all expected functions and capabilities | 2.80 (93.75% agree) | 1.50 (100% agree) | Interface quality: adding additional functions (73%) |
| Subscale 4: satisfaction with this app | 2 (93% agree) | 1.60 (100% agree) | Satisfaction (40%) |
| Overall PSSUQ score | 2.01 | 1.68 |