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International Journal of STEM Education

Table 2 Cohort 1–3 participant teacher demographics

From: Increasing high school teachers self-efficacy for integrated STEM instruction through a collaborative community of practice

Participants

*ETE

Science

Male

Female

Total

Year 1

Experimental

6

6

8

4

12

Control

5

5

7

3

10

Year 2

Experimental

6

7

7

6

13

Returning-experimental

2

2

2

2

4

Control

4

5

6

3

9

Year 3

Experimental

7

5

8

4

12

Returning-experimental

4

5

5

4

9

Total

34

35

43

26

69

  1. *ETE denotes engineering and technology education. There is no control group for year 3, as explained in the research design above. Five teachers in the experimental group participated in the professional development but later dropped out of the project and not included in the statistical analysis
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