Table 5.
F-test for the homogeneity of regression slope assumption for Group* the reflective writing pre-test
| Proficiency | Group | Pre-test | Group* Proficiency (Interaction Effect) | Homogeneity Testing | ||
|---|---|---|---|---|---|---|
| Mean | S.D. | F | p-value | |||
| Focus & context structure | Experimental Control | 3.22 | 0.85 | Group* focus & context structure | 1.798 | 0.184 |
| 3.37 | 0.82 | |||||
| Ideas | Experimental Control | 4.34 | 0.90 | Group*ideas | 0.774 | 0.382 |
| 3.79 | 0.94 | |||||
| Voice & point of view | Experimental Control | 3.30 | 0.77 | Group* voice & point of view | 0.051 | 0.821 |
| 3.61 | 0.66 | |||||
| Critical thinking & representation | Experimental Control | 3.44 | 1.01 | Group* critical thinking & representation | 0.253 | 0.616 |
| 3.19 | 1.14 | |||||
| Depth of reflection on personal growth | Experimental Control | 3.48 | 1.02 | Group* depth of reflection on personal growth | 0.044 | 0.834 |
| 3.65 | 0.89 | |||||
| Language & conventions | Experimental Control | 2.95 | 0.62 | Group* language & conventions | 0.726 | 0.397 |
| 3.02 | 0.99 | |||||
Experimental group: N = 43; comparison group: N = 43
S.D. standard deviation