International Journal of STEM Education

Table 3 Distribution of publications by subject, level of education, and sample size

From: Fostering computational thinking through unplugged activities: A systematic literature review and meta-analysis

Subject/level/sample size	Frequency	Percent (%)
Subject
Computer science	31	63.27
STEM	9	18.37
Social science	2	4.08
Not indicated	7	14.29
Level of education
Kindergarten	2	4.08
Primary school	24	48.98
Lower secondary school	11	22.45
Higher secondary school	2	4.08
Multi-level	5	10.21
Not indicated	5	10.21
Sample size
1–50	18	36.73
51–100	8	16.33
More than 100	14	28.57
Not indicated	9	18.37

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