Table 6.
Analysis of Covariance for Parent Ratings of Parent Involvement
| Source | df | F | η2 | p |
|---|---|---|---|---|
| Between Subjects | ||||
| Education (Ed) | 1 | 8.350 | .019 | .004 |
| Employment (Em) | 1 | 1.482 | .003 | .224 |
| Ethnicity (Et) | 3 | 4.977 | .033 | .002 |
| Error | 441 | (.619) | ||
| Within Subjectsa | ||||
| Scale (S) | 2.779 | 159.054 | .265 | .000 |
| S × Ed | 2.779 | 1.248 | .003 | .291 |
| S × Em | 2.779 | 2.824 | .006 | .042 |
| S × Et | 8.338 | 1.737 | .012 | .082 |
| Error (S) | 1225.750 | (.277) | ||
Note: Values enclosed in parentheses represent mean square errors.
a
Due to violation of the sphericity assumption, the Greenhouse-Geisser epsilon was used to interpret the within-subjects results.