A logistic regression investigation of the relationship between the Learning Assistant model and failure rates in introductory STEM courses

International Journal of STEM Education

Table 2 Logistic regression model specifications

Model predictor	1	2	3
LA exposure	X	X	X
Female	X	X	X
Nonwhite	X	X	X
First generation	X	X	X
Financial aid recipient	X	X	X
Standardized credits at entry	X	X	X
Standardized HS GPA	X	X	X
Standardized admissions test scores	X	X	X
Course factor		X	X
Cohort factor		X	X
Instructor factor			X
LA exposure-female interaction			X**

**Interactions between LA exposure and nonwhite, first generation, financial aid recipient, standardized HS GPA, and standardized admissions test scores were also tested, but none were found to be statistically significant