Models of assessment in the classroom: a comparative research of CALL-based vs. traditional assessment on vocabulary learning among Iranian EFL learners

Language Testing in Asia

Table 4 Paired samples inferential statistics of pre- and post-tests of each group

		Paired Differences					t	df	Sig. (2-tailed)
		Mean	Std. deviation	Std. error mean	95% confidence interval of the difference
		Mean	Std. deviation	Std. error mean	Lower	Upper
Pair 1	Conventional pre/post	− 1.71	3.44	0.65	− 3.04	− 0.37	− 2.63	27	.01
Pair 2	CALL pre/post	− 3.32	2.98	0.56	− 4.47	− 2.16	− 5.89	27	.00