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 9 Tests of between-subject effects

Source	Dependent variable	Type III sum of squares	df	Mean square	F	Sig	Partial Eta squared
Corrected model	Vocabulary pretest score	7.304^a	7	1.043	.456	.864	.027
Corrected model	Vocabulary post-test score	1686.955^b	7	240.994	20.130	.000	.546
Intercept	Vocabulary pretest score	1474.869	1	1474.869	644.823	.000	.846
Intercept	Vocabulary post-test score	9906.730	1	9906.730	827.510	.000	.876
Condition	Vocabulary pretest score	1.846	3	.615	.269	.848	.007
Condition	Vocabulary post-test score	1174.275	3	391.425	32.696	.000	.456
WM	Vocabulary pretest score	2.797	1	2.797	1.223	.271	.010
WM	Vocabulary post-test score	211.363	1	211.363	17.655	.000	.131
Condition WM	Vocabulary pretest score	2.810	3	.937	.410	.746	.010
Condition WM	Vocabulary post-test score	228.742	3	76.247	6.369	.000	.140
Error	Vocabulary pretest score	267.608	117	2.287
Error	Vocabulary post-test score	1400.693	117	11.972
Total	Vocabulary pretest score	1761.000	125
Total	Vocabulary post-test score	13,448.000	125
Corrected total	Vocabulary pretest score	274.912	124
Corrected total	Vocabulary post-test score	3087.648	124