The comparative impacts of portfolio-based assessment, self-assessment, and scaffolded peer assessment on reading comprehension, vocabulary learning, and grammatical accuracy: insights from working memory capacity

Language Testing in Asia

Table 1 One-sample Kolmogorov–Smirnov test

		Condition	WM	Reading pretest score	Reading post-test score
N		125	125	125	125
Normal parameters	Mean	2.520	1.512	3.088	8.768
Normal parameters	Std. Deviation	1.104	.501	1.237	5.143
Most extreme differences	Absolute	.188	.347	.168	.121
	Positive	.161	.334	.168	.121
	Negative	− .188	− .347	− .129	− .111
Kolmogorov–Smirnov Z		2.103	3.875	1.882	1.350
Asymp. Sig. (2-tailed)		.130	.164	.096	.126