Table 2.
Validity of the German version of the Mobile App Rating Scale (r and P value).
| Dimension | EngagementGERa | FunctionalityGER | EstheticsGER | Information qualityGER | Star rating |
| EngagementENGb | 0.97 (<.001) | 0.49 (<.001) | 0.73 (<.001) | 0.52 (.001) | −0.03 (.99) |
| FunctionalityENG | 0.45 (<.001) | 0.98 (<.001) | 0.43 (<.001) | 0.36 (.002) | 0.06 (.99) |
| EstheticsENG | 0.69 (<.001) | 0.41 (<.001) | 0.97 (<.001) | 0.41 (.001) | 0.12 (.99) |
| Information qualityENG | 0.55 (<.001) | 0.34 (.004) | 0.47 (<.001) | 0.93 (.001) | 0.25 (.19) |
| Star rating | −0.03 (>.99) | 0.07 (>.99) | 0.12 (>.99) | 0.26 (.19) | —c |
aGerman version.
bEnglish version.
cNot applicable.