The effect of structured versus unstructured collaborative pre-writing task on writing skills of the Iranian EFL students

Table 2 Independent sample t-test between structured and unstructured groups

Independent Samples Test
		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
Scores	Equal variances assumed	8.644	.004	5.360	167	.000	.89188	.16641	.56334	1.22041
Scores	Equal variances not assumed			5.372	145.883	.000	.89188	.16602	.56376	1.21999