Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The test of homogeneity regression coefficient within groups.
| Source | Type III Sum of Square | df | Mean Square | F |
|---|---|---|---|---|
| Group × pre-test score | 32.67 | 1.00 | 32.67 | 3.48 n.s. |
| Error | 1170.73 | 125.00 | 9.37 |
Dependent variable: post-test score. df = degrees of freedom. n.s. = not significant.
