| Source | SS | df | MS | F | |
| Pre-Post | 12.150 | 1 | 12.150 | 2.483 |
|
| Pre-Post*Group | 109.350 | 1 | 109.350 | 22.349 | *** |
| Error (Pre-Post) | 137.000 | 28 | 4.893 |
|
|