Pre-service elementary teachers’ science and engineering teaching self-efficacy and outcome expectancy: exploring the impacts of efficacy source experiences through varying course modalities

International Journal of STEM Education

Table 1 Reliability statistics (pre- and post-survey)

Subscale	Pre-test	Post-test	No. of items
	Cronbach’s alpha value	Cronbach’s alpha value
STEB	0.775	0.838	11
STOE	0.780	0.866	9
ETEB	0.870	0.883	11
ETOE	0.869	0.911	9