Table 3 Homogeneous blocks in terms of written production (pre-treatment)
From: Enhancing students’ written production in English through flipped lessons and simulations
| Group | Cases | Mean | Homogeneous block |
|---|---|---|---|
| C2 | 15 | 4.177 | X |
| C1 | 42 | 4.222 | X |
| E1 | 28 | 4.857 | * |
| E2 | 22 | 5.430 | * |
| C3 | 14 | 5.476 | * |