Dependent variable Regression model Former teacher
Current teacher
Dependent variable description Unweighted sample size Dependent variable description Unweighted sample size
First stage
Dichotomous Dichotomous
 Web-choice vs. paper-choice Probit 1=web-choice and 0=paper-choice 1,601 1=web-choice and 0=paper-choice 3,041
Second stage
 Measure of differentiation
 Reason to leave Logit Continuous ranging from 0 to 1 1,601 Continuous ranging from 0 to 1 1,182
 Views of last year’s principal or school head Logit Continuous ranging from 0 to 1 1,601 Continuous ranging from 0 to 1 3,041
 Views of last year’s student assessment participation Logit Continuous ranging from 0 to 1 659 Continuous ranging from 0 to 1 1,359
 Current job compared to previous year Logit Continuous ranging from 0 to 1 838 Continuous ranging from 0 to 1 3,041
 Teacher’s current earnings Ordinary least squares Continuous 895 Continuous 3,041
 Teacher’s total household income Multinomial logit Categorical 1=less than 50K, 2=between 50 and 100K, and 3=more than 100K. 1,601 Categorical 1=less than 50K, 2=between 50 and 100K, and 3=more than 100K. 3,041