Table 1.

Code list (due to space limitation, only part of the coding content is shown).

Number	Author (year)	Learning effect		Study design				Basic features
				Group size	Class size	Experimental period	Learning Section	Subject category	Course types	Country region
1	Duman and Yavuz (2018)	Emotional attitude	Learning attitude	4–5	Small	1–8 weeks	High school	Humanities and social	theory	Western Asia
2	Zulaeha and Marpaung (2020)	Academic achievement	Academic achievement	4–5	Small	1–8 weeks	University	Humanities and social	theory	Southeast Asia
3	1 Parrado-Martínez and Sánchez-Andújar (2020)	Emotional attitude	Self-efficacy	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
4	2 Parrado-Martínez and Sánchez-Andújar (2020)	Emotional attitude	Learning attitude	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
5	3 Parrado-Martínez and Sánchez-Andújar (2020)	Thinking skills	Cooperation ability	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
6	4 Parrado-Martínez and Sánchez-Andújar (2020)	Thinking skills	Problem raising	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
7	5 Parrado-Martínez and Sánchez-Andújar (2020)	Academic achievement	Academic achievement	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
8	6 Parrado-Martínez and Sánchez-Andújar (2020)	Academic achievement	Academic achievement	8 and above	Middle	1–8 weeks	Junior high school	Humanities and social	experimental	Oceania
9	1 Kaldi et al. (2011)	Emotional attitude	Self-efficacy	8 and above	Small	1–8 weeks	Primary school	Natural science	theory	Western Europe
10	2 Kaldi et al. (2011)	Thinking skills	Cooperation ability	8 and above	Small	1–8 weeks	Primary school	Natural science	theory	Western Europe
11	3 Kaldi et al. (2011)	Academic achievement	Academic achievement	8 and above	Small	1–8 weeks	Primary school	Natural science	theory	Western Europe
12	WEN-JYE. (2009)	Academic achievement	Academic achievement	8 and abovec	Small	Over 18 weeks	University	Engineering and technology	experimental	East Asia
13	1 Safa. (2021)	Emotional attitude	Self-efficacy	4–5	Small	1–8 weeks	University	Humanities and social	theory	Western Asia
14	2 Safa. (2021)	Thinking skills	Decision-making ability	4–5	Small	1–8 weeks	University	Humanities and social	theory	Western Asia
15	Kızkapan and Bektaş (2017)	Academic achievement	Academic achievement	8 and above	Small	1–8 weeks	Junior high school	other	theory	Western Asia