The Impact of a Contrastive Lexical Approach in Formulaic Expressions’ Perception on University EFL Learners’ Writing Proficiencies

Table 9

Paired samples t-test for the control group (pretest Vs. posttest).

		Paired differences
Mean	Std. deviation	Std. error	95% confidence interval of the difference		T	df	Sig.
Pretest and posttest		Mean	Lower	Upper
−10.30	1.423	0 .231	−18.166	−20.265	0.80	23	0.52