Scales

Occasion

Cronbach’s Alpha

Cronbach’s Alpha Based on Standardized

Number of Items

Personal Mastery Scale

Pre

Post

.48

.48

.50

.50

4

Perceived Constraints Scale

Pre

Post

.83

.83

.84

.84

8

Leadership Self-Efficacy

Pre

Post

.92

.65

.93

.69

8