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Summary of the Hk coefficient (overall scalability of all items in the scale) for the Mobile App Rating Scale (MARS) and the German version of the Mobile App Rating Scale (MARS-G).
| Dimension | MARS | MARS-G |
| Engagement | 0.59 | 0.57 |
| Functionality | 0.43 | 0.41 |
| Esthetics | 0.51 | 0.51 |
| Information quality | 0.45 | 0.41 |
| Total scale | 0.50 | 0.48 |
