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Validity and reliability of LQLA
| Full survey sample (N = 33)a | ||
|---|---|---|
| Measure | R 2 | Cronbach's alpha (raw) |
| Overall | 0.8631 | 0.9525 |
| Communication | 0.5923 | 0.9118 |
| Daily living | 0.7621 | 0.8950 |
| Social | 0.4975 | 0.7503 |
| Motor | 0.9522 | 0.9418 |
Age of participants at time of survey (months): 14.5, 29.0, 44.0, 52.0, 65.0, 65.6, 66.3, 67.3, 70.4, 73.9, 77.7, 78.3, 82.1, 92.8, 133.6, 143.5, 148.6, 167.5, 175.1, 186.6, 196.8, 197.1, 208.9, 238.1, 314.4, 373.6, 390.3, 447.8, 451.6, 456.2, 460.1, 645.7, and 664.0.
