Table 7.
Analysis of Covariance for Teacher Ratings of Parent Involvement
| Source | df | F | η2 | p |
|---|---|---|---|---|
| Between Subjects | ||||
| Education (Ed) | 1 | 5.016 | .010 | .026 |
| Employment (Em) | 1 | 2.993 | .006 | .084 |
| Ethnicity (Et) | 3 | 7.311 | .044 | .000 |
| Error | 475 | (.740) | ||
| Within Subjectsa | ||||
| Scale (S) | 1.503 | 71.954 | .132 | .000 |
| S × Ed | 1.503 | 10.303 | .021 | .000 |
| S × Em | 1.503 | 1.358 | .003 | .255 |
| S × Et | 4.509 | 5.516 | .034 | .000 |
| Error (S) | 713.926 | (.439) | ||
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.