Textbook-assigned and self-selected topics of Iranian male EFL learners: topic interest, topic familiarity, topic importance, and topic difficulty

Table 14 The Results of T-Test to Compare the Results of Learners’ Perception of Textbook-Assigned and Self-Selected Topics Regarding Topic Difficulty

		Levene’s Test for Equality of Variances		t-test for Equality of Means
		F	Sig.	t	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	95% Confidence Interval of the Difference
		F	Sig.	t	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	Lower	Upper
Topic difficulty	Equal variances assumed	7.965	.005	37.743	392	.000	.81916	.02170	.77649	.86183
Topic difficulty	Equal variances not assumed			37.743	367.096	.000	.81916	.02170	.77648	.86184