Table 3 Means associated with TCs’ views related to SSI curriculum

Controversial issues are more appropriate to be incorporated into science than any other subject area

2.17

2.37

0.2

Controversial issues should be incorporated into elementary science curriculum

2.64

2.95

0.31

Controversial issues should be incorporated into middle grades science curriculum

2.84

3.08

0.24

Controversial issues should be incorporated into high school science curriculum

3.04

3.24

0.2

Controversial issues are easy to incorporate into elementary science curriculum

2.15

2.51

0.36

Controversial issues are easy to incorporate into middle grades science curriculum

2.42

2.64

0.22

Controversial issues are easy to incorporate into high school science curriculum

2.55

2.8

0.25