Author & Year	Study Design	Sample Size	Learning Stage	Subject Area	Knowledge Type	Instructor Equivalence	Intervention Duration	g	SEg
Anderson et al., 2017	TGPPD	70	university	Medicine	CK	same instructor	6 weeks	−0.106	0.237
Asiksoy and Ozdamli, 2016	TGPPD	66	university	Natural Science	CK	same instructor	8 weeks	0.577	0.249
Asiksoy and Ozdamli, 2017	TGPPD	94	university	Natural Science	CK	same instructor	10 weeks	1.42	0.229
Balaban et al., 2016	TGPD	729	university	Social science	CK	same instructor	15 weeks	0.604	0.076
Burgoyne and Eaton, 2018	TGPD	267	university	Social science	CK	different instructor	1 semester	0.237	0.123
Burnham and Mascenik, 2018	TGPPD	179	university	Medicine	PK	same instructor	10 weeks	−0.287	0.15
Cabi, 2018	TGPPD	59	university	Engineering & Technology	CK	not available	4 weeks	−0.086	0.257
Chao et al., 2015	TGPPD	91	high school	Engineering & Technology	PK	same instructor	8 weeks	0.782	0.216
Chis et al., 2018	other	106	university	Engineering & Technology	PK	same instructor	3 weeks	−0.218	0.193
Chiu et al., 2017	TGPD	59	university	Medicine	PK	same instructor	1 hour	0.868	0.269
Cho et al., 2015	other	47	university	Natural Science	PK	same instructor	1 semester	0.317	0.29
Choi and Lee, 2018	TGPPD	79	university	Social science	PK	same instructor	1 semester	0.479	0.226
Chutinan et al., 2018	TGPD	140	university	Medicine	PK	not available	1 semester	1.445	0.189
Chyr et al., 2017	other	69	university	Social science	PK	same instructor	1 semester	0.089	0.238
Cruzado and Roman, 2015	TGPD	120	university	Engineering & Technology	CK	same instructor	1 semester	−0.193	0.186
Davies et al., 2013	other	112	university	Social science	PK	same instructor	5 weeks	0.221	0.189
Day, 2018	TGPD	217	university	Medicine	CK	same instructor	1 semester	0.066	0.135
Ekmekci, 2017	TGPPD	43	university	Humanities	PK	same instructor	15 weeks	1.804	0.358
Elian and Hamaidi, 2018	TGPPD	44	university	Natural Science	CK	same instructor	1 semester	1.468	0.335
Elmaadaway, 2017	TGPD	58	university	Social science	PK	same instructor	8 weeks	2.418	0.343
Fadol et al., 2018	TGPD	86	university	Social science	CK	same instructor	18 weeks	0.847	0.224
Fleagle et al., 2017	other	483	university	Medicine	PK	same instructor	1 semester	−0.184	0.091
Goff et al., 2018	TGPD	629	university	Social science	CK	different instructor	1 semester	0.601	0.082
Harrington et al., 2015	TGPD	82	university	Medicine	CK	different instructor	1 semester	0.083	0.219
Hotle and Garrow, 2016	TGPD	59	university	Engineering & Technology	PK	same instructor	1 semester	−0.031	0.263
Jong, 2017	TGPD	72	secondary school	Humanities	CK	same instructor	9 days	0.921	0.245
Khan and Watson, 2018	TGPD	943	university	Natural Science	CK	same instructor	1 semester	0.043	0.065
Kim et al., 2017	TGPPD	202	university	Medicine	PK	same instructor	10 weeks	4.452	0.262
Kim et al., 2017	TGPD	51	university	Humanities	CK	same instructor	12 weeks	−0.018	0.276
Kostaris et al., 2017	TGPD	46	secondary school	Social science	CK	same instructor	8 weeks	0.918	0.305
Kurt, 2017	TGPPD	62	university	Humanities	CK	same instructor	14 weeks	0.933	0.265
Leis et al., 2015	TGPPD	44	university	Humanities	CK	same instructor	10 weeks	1.378	0.331
Lento, 2016	TGPD	189	university	Social science	CK	same instructor	12 weeks	0.26	0.146
Lin and Hwang, 2018	TGPD	49	university	Humanities	PK	same instructor	18 weeks	1.982	0.36
Lin et al., 2018	TGPPD	68	university	Humanities	CK	same instructor	10 weeks	2.017	0.296
Liou et al., 2016	TGPPD	92	university	Natural Science	CK	same instructor	18 weeks	1.43	0.232
Lo et al., 2018	TGPPD	244	secondary school	Natural Science	CK	same instructor	10 -14 weeks	0.293	0.128
	TGPPD	55	secondary school	Natural Science	CK	same instructor	10 -14 weeks	0.714	0.274
	TGPPD	24	secondary school	Humanities	CK	same instructor	10 -14 weeks	0.828	0.412
	TGPPD	22	secondary school	Social science	CK	different instructor	10 -14 weeks	−0.224	0.412
Lucchetti et al., 2018	TGPPD	166	university	Medicine	PK	same instructor	1 semester	0.326	0.156
Mason et al., 2013	TGPPD	40	university	Engineering & Technology	PK	same instructor	1 semester	-1.157	0.336
Mattis, 2012	TGPPD	48	university	Natural Science	CK	same instructor	1 hour	1.132	0.307
McCabe et al., 2017	TGPPD	45	university	Medicine	CK	not available	1 semester	−0.996	0.315
Missildine et al., 2013	other	316	university	Medicine	CK	different instructor	1 semester	0.435	0.115
Moraros et al., 2015	TGPPD	112	university	Medicine	CK	same instructor	13 weeks	2.123	0.236
Muzyk et al., 2015	TGPPD	50	university	Medicine	CK	different instructor	1 semester	0.699	0.291
Nakanishi et al., 2017	TGPD	108	university	Medicine	PK	different instructor	6 months	0.1	0.191
Olakanmi, 2016	TGPPD	66	secondary school	Natural Science	CK	same instructor	3 weeks	1.46	0.274
Olitsky and Cosgrove, 2016	TGPD	240	university	Social science	CK	same instructor	1 semester	0.312	0.129
Sengel, 2014	TGPPD	74	university	Natural Science	CK	same instructor	7 weeks	0.029	0.231
Sengel, 2016	TGPPD	96	university	Natural Science	CK	same instructor	1 semester	0.561	0.209
Sezer, 2017	TGPPD	68	secondary school	Natural Science	CK	same instructor	2 weeks	0.923	0.253
Shiau et al., 2018	TGPD	150	university	Medicine	CK	same instructor	1 semester	0.085	0.163
Smallhorn, 2017	TGPD	363	university	Social science	CK	not available	1 semester	−0.013	0.105
Sommer and Ritzhaupt, 2018	TGPD	72	university	Social science	PK	different instructor	15 weeks	0.17	0.236
Sun and Wu, 2016	TGPPD	181	university	Natural Science	CK	same instructor	1 semester	0.453	0.15
Thai et al., 2017	other	45	university	Social science	CK	same instructor	6 weeks	0.827	0.306
Tusa et al., 2018	TGPPD	79	university	Medicine	PK	same instructor	1 semester	1.391	0.249
Wang et al., 2018a	TGPD	61	university	Humanities	CK	same instructor	16 weeks	0.143	0.253
Wang et al., 2018b	other	74	high school	Natural Science	PK	same instructor	1 semester	−0.023	0.23
Wasserman et al., 2017	TGPD	151	university	Natural Science	CK	different instructor	1 semester	0.44	0.164
Yu and Wang, 2016	TGPPD	71	university	Humanities	CK	same instructor	16 weeks	0.496	0.238
Zhu and Xie, 2018	other	142	university	Social science	CK	same instructor	8 weeks	0.363	0.168
Zhu et al., 2018	TGPD	82	university	Social science	CK	same instructor	1 semester	0.805	0.228
Zupanec et al., 2018	TGPPD	112	elementary school	Social science	CK	same instructor	6 weeks	2.132	0.236