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Test of intra-group homogeneity of the within-group regression coefficients.
| Source of Variance | Sum of Squares | Degree of Freedom | Mean Sum of Squares | F-Test | p-Value |
|---|---|---|---|---|---|
| Pretest | 1769.564 | 1 | 1769.564 | 41.034 | <0.001 * |
| Group | 229.251 | 1 | 229.251 | 5.316 | 0.027 * |
| Pretest × Group | 120.884 | 1 | 120.884 | 2.803 | 0.102 |
| Deviation | 1638.739 | 38 | 43.125 | - | - |
* p < 0.05.
