Table 2.
Mean and SD ratings for each gamification principle across raters.
| App name | Meaningful purpose, mean (SD) | Meaningful choice, mean (SD) | Supporting player archetypes, mean (SD) | Feedback, mean (SD) | Visibility, mean (SD) |
| Headspace | 4.29 (0.84) | 3.92 (1.04) | 3.50 (1.47) | 3.33 (1.49) | 4.08 (1.08) |
| Lumosity | 4.36 (0.79) | 3.08 (1.49) | 3.40 (1.10) | 4.32 (0.93) | 3.76 (1.21) |
| iSleep Easy | 3.92 (1.00) | 2.71 (1.57) | 0.17 (0.47) | 1.17 (1.40) | 0.25 (0.60) |
| FitBrains | 4.10 (1.38) | 2.76 (1.69) | 3.33 (1.04) | 4.38 (1.09) | 4.29 (1.39) |
| Happify: For Stress & Worry | 4.26 (1.07) | 3.61 (1.31) | 3.26 (1.72) | 3.83 (1.27) | 3.74 (1.36) |
| Serenita | 3.91 (1.06) | 2.57 (1.50) | 1.43 (1.58) | 3.43 (1.47) | 3.70 (1.23) |
| SuperBetter | 3.65 (1.05) | 3.61 (1.34) | 3.00 (1.41) | 3.26 (0.94) | 3.48 (1.25) |
| Flowy | 1.95 (1.07) | 1.64 (1.37) | 1.91 (1.44) | 2.32 (1.49) | 2.91 (1.20) |
| The Mindfulness App | 3.59 (1.34) | 3.59 (1.30) | 2.41 (1.44) | 2.18 (1.61) | 2.86 (1.42) |
| HAPPYneuron | 4.15 (0.91) | 3.25 (1.30) | 2.90 (1.34) | 3.35 (1.24) | 3.55 (1.16) |
| Smiling Mind | 4.09 (1.06) | 3.78 (1.18) | 2.57 (1.61) | 3.26 (1.80) | 3.96 (0.95) |
| Pacifica | 4.04 (1.04) | 4.40 (0.98) | 4.56 (0.70) | 3.64 (1.29) | 4.16 (0.97) |
| Virtual Hope Box | 3.30 (1.43) | 3.43 (1.38) | 2.43 (1.77) | 0.70 (1.16) | 0.17 (0.38) |
| Peak | 4.35 (0.91) | 3.13 (1.73) | 2.96 (1.60) | 4.26 (0.85) | 4.65 (0.70) |
| Personal Zen | 2.14 (1.12) | 0.86 (1.17) | 0.95 (1.13) | 2.86 (1.36) | 3.43 (1.37) |
| BrainHQ | 4.08 (1.19) | 2.54 (1.68) | 2.58 (1.55) | 4.00 (0.82) | 3.75 (1.16) |
| Wildflowers | 3.65 (1.34) | 2.78 (1.44) | 2.35 (1.68) | 3.52 (1.35) | 3.91 (1.10) |