best viewed as the end result of a learning process. We find that students enter college as open to a major in math or … science as to any other major group, but that a large number of students move away from math and science after realizing that … because students realize that their ability in math/science is lower than expected rather than because students realize that …

mapped into the observed 1-5 integer scores, for over 4.5 million students. Earning higher AP integer scores positively … that receiving a score of 3 over a 2 on junior year AP exams causes students to take between 0.06 and 0.14 more AP exams …

Taking advantage of unique longitudinal data, we provide the first characterization of what college students believe at … of why students hold the initial beliefs about majors that they do. The data collection and analysis are based directly … that students enter school quite optimistic/interested about obtaining a science degree, but that relatively few students …