Table 3.

REM statistics for separate meta-analyses for overall summary effect size, cognitive domain and affective domain, including test for heterogeneity

#	Outcome	Model type	Ns	Np	Hedges’ g	SE	z	p Value	df	Q	Qp	I2 (%)
1	Summary Effect Size	Original REM	26	63 861*	0.112	0.023	4.9	0.0001	25	102	<0.0001	69
		REM with SE as moderator			0.079	0.029	4	0.0065	24	93	<0.0001	68
		REM with trim and fill	35†		0.075	0.019	2.7	<0.0001	34	150	<0.0001	75
2	Cognitive domain	Original REM	13	29 269	0.14	0.016	8.5	<0.0001	12	12	0.451	27
		REM with SE as moderator			0.132	0.030	4.3	<0.0001	11	12	0.3836	29
		REM with trim and fill			0.140	0.017	8.2	<0.0001	12	12	0.4510	27
3	Affective domain	Original REM	13	38 219	0.093	0.034	2.7	0.03	12	67	<0.0001	77
		REM with SE as moderator			0.043	0.041	1.1	0.2935	11	57	<0.0001	74
		REM with trim and fill	14†		0.088	0.028	3.1	0.0018	13	68	<0.0001	76

*Not the sum across the two domains as some studies are included in both domains.

†Includes original and imputed studies.

N^s, number of included studies; N^p, number of total included participants; REM, random-effects model.