Table 1. Survey instrument reliability analysis.

Question Set ↓	All	Participants	Control
Respondent Type→	Cronbach’s alpha Score (95% CI range)	Cronbach’s alpha Score (95% CI range)	Cronbach’s alpha Score (95% CI range)
Growth Question Set	0.95 (0.93–0.96)	0.84 (0.73–0.94)	0.9 (0.86–0.94)
Current Knowledge Question Set	0.83 (0.77–0.88)	0.83 (0.72–0.93)	0.78 (0.69–0.87)

In order to assess survey reliability, Cronbach’s alpha was calculated across relevant sets of questions used to measure current knowledge and growth during program duration. CI = confidence interval.