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Table 7 Homogeneous blocks of progress (post-treatment)

From: Enhancing students’ written production in English through flipped lessons and simulations

Group Cases Mean Homogenous block
E2 22 1.600 X
E1 28 1.726 X
C1 42 0.555 *
C2 15 0.955 *
C3 14 1.000 *