Although many college students intend to major in Science, Technology, Engineering, and Mathematics (STEM), dropout from these fields is high, especially among members of historically underrepresented groups, such as women and racial-ethnic minorities. We propose a minimal, yet potentially powerful intervention to broaden participation in STEM: giving positive feedback to students in STEM. Studies 1 and 2 found that giving positive feedback is less normative in math (vs. English) courses, and instructors’ feedback-giving practices and students’ experiences mirror these norms. However, students who received positive (vs. only objective) feedback on introductory-level college calculus exams showed greater belonging and self-efficacy in math, which predicted better STEM outcomes (i.e., increased interest in STEM and higher final math course grades, respectively, Study 3). These findings were especially strong for racial-ethnic minority students. Giving positive (vs. only objective) feedback is thus a potentially transformative tool that boosts student outcomes, especially for underrepresented groups.
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