Table 6.
Friedman Repeated-Measures Analysis of Variance on Ranks
| Pre |
Post |
Two-week follow-up |
Three-month follow-up |
χ2 | p | r | Multiple comparison | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | IQR | M | IQR | M | IQR | M | IQR | |||||
| VQ Progress | 11.0 | 7.5 | 15.0 | 9.0 | 16.5 | 7.5 | 14.0 | 5.8 | 31.41 | <0.001 | 0.81 | Pre > post |
| 0.77 | Pre >2-week | |||||||||||
| 0.86 | Pre >3-month | |||||||||||
| RPI | ||||||||||||
| Amount of Reward | 14.0 | 4.5 | 16.0 | 5.5 | 16.5 | 5.0 | 17.0 | 4.0 | 14.3 | 0.002 | 0.63 | Pre >3-month |
| Reward Skill | 6.0 | 2.0 | 6.0 | 3.0 | 6.0 | 2.0 | 6.0 | 2.5 | 2.79 | 0.436 | — | — |
| Total | 43.5 | 11.5 | 47.0 | 8.5 | 49.0 | 9.3 | 47.0 | 9.8 | 15.64 | <0.001 | 0.65 | Pre >2-week |
| 0.67 | Pre >3-month | |||||||||||
ANOVA, analysis of variance.