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We study the long-term effects of a psychological intervention on longitudinal academic outcomes and degree completion of college students. All freshmen at a large public university were randomized to an online growth mindset, belonging, or control group. We tracked students’ academic outcomes including GPA, number of credits attempted and earned, major choices, and degree completion. We found no evidence of longitudinal academic treatment effects in the full sample. However, the mindset treatment improved term GPAs for Latinx students and the probability for Pell-eligible and Latinx students to major in selective majors. We also found no evidence of increased rates of on-time graduation, however, the treatment raised the probability to graduate with selective majors in four years, especially for Latinx students.

Light-touch social psychological interventions have gained considerable attention for their potential to improve academic outcomes for underrepresented and/or disadvantaged students in postsecondary education. While findings from previous interventions have demonstrated positive effects for racial and ethnic minority and first-generation students in small samples, few interventions have been implemented at a larger scale with more heterogeneous student populations. To address this research gap, 7,686 students, representing more than 90% of incoming first-year students at a large Midwestern public university, were randomly assigned to an online growth mindset intervention, social belonging intervention, or a comparison group. Results suggest that after the fall semester, the growth mindset intervention significantly improved grade point averages for Latino/a students by about .40 points. This represents a 72% reduction in the GPA gap between White and Latino/a students. Further, this effect was replicated for both spring semester GPA and cumulative GPA. These findings indicate that light-touch interventions may be a minimally invasive approach to improving academic outcomes for underrepresented students. The findings also highlight the complexity of implementing customized belonging interventions in heterogeneous contexts.