Effects of different text difficulty levels on Iranian EFL learners’ foreign language Reading motivation and Reading comprehension

Table 1 One-Sample Kolmogorov-Smirnov Test (Groups’ Pre and Post-tests)

		Pre i + 1	Post i + 1	Pre i-1	Post i-1
N		20	20	20	20
Normal Parameters^a,b	Mean	11.8000	15.3000	11.6500	12.6500
Normal Parameters^a,b	Std. Deviation	.41039	1.45458	.48936	1.63111
Most Extreme Differences	Absolute	.487	.332	.413	.355
	Positive	.313	.332	.258	.355
	Negative	−.487	−.186	−.413	−.225
Kolmogorov-Smirnov Z		2.178	1.483	1.846	1.587
Asymp. Sig. (2-tailed)		.081	.055	.052	.063