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Roy E. Larsen Professor of Public Policy
HKS Faculty Research Working Paper Series
Avery, Christopher, Oded Gurantz, Michael Hurwitz, Jonathan Smith. "Shifting College Majors in Response to Advanced Placement Exam Scores." HKS Faculty Research Working Paper Series RWP16-058, October 2016.
Mapping continuous raw scores from millions of Advanced Placement examinations onto the 1 to 5 integer scoring scale, we apply a regression discontinuity design to understand how students’ choice of college major is impacted by receiving a higher integer score, despite similar exam performance, to students who received a lower integer score. Attaining higher scores increases the probability that a student will major in that exam subject by approximately 5 percent (0.64 percentage points), with some individual exams demonstrating increases in major choice by as much as 30 percent. These direct impacts of a higher score explain approximately 11 percent of the unconditional 64 percent (5.7 percentage points) gap in the probability of majoring in the same subject as the AP exam when attaining a 5 versus a 4. We estimate that a substantial portion of the overall effect is driven by behavioral responses to the positive signal of receiving a higher score.
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