Table 6. Intraclass correlation coefficient (ICC) *.
| Value | 95% CI | |
|---|---|---|
| Inter-rater reliability | ||
| M1 | 0.896 | (0.869, 0.916) |
| MfL | 0.876 | (0.839, 0.903) |
| PL | 0.867 | (0.823, 0.898) |
| M2 | 0.861 | (0.804 , 0.897) |
| MfL | 0.841 | (0.770, 0.885) |
| PL | 0.812 | (0.747, 0.858) |
| M3 | 0.901 | (0.876, 0.920) |
| MfL | 0.869 | (0.828, 0.898) |
| PL | 0.883 | (0.858, 0.905) |
| Professional vs non-professional | 0.920 | (0.637, 0.967) |
| MfL | 0.881 | (0.258, 0.957) |
| PL | 0.938 | (0.909, 0.956) |
| Professional | 0.850 | (0.811, 0.878) |
| MfL | 0.854 | (0.812, 0.886) |
| PL | 0.775 | (0.717, 0.818) |
| Non-professional | 0.934 | (0.920, 0.944) |
| MfL | 0.918 | (0.898, 0.935) |
| PL | 0.916 | (0.897, 0.931) |
| Inter-retest reliability (across groups) | ||
| M1 vs M2 | 0.951 | (0.939, 0.960) |
| MfL | 0.936 | (0.913, 0.951) |
| PL | 0.959 | (0.948, 0.967) |
| M1 vs M3 | 0.804 | (0.713, 0.859) |
| MfL | 0.710 | (0.617, 0.774) |
| PL | 0.867 | (0.498, 0.943) |
| M2 vs M3 | 0.786 | (0.743, 0.820) |
| MfL | 0.679 | (0.630, 0.722) |
| PL | 0.866 | (0.523, 0.941) |
* All of ICC values are significant with p < 0.001.
CI = confidence interval; MfL = Music for Life; PL = passive music listening; M1, M2, M3 = video order.