In this article, an alternative for Tinto's integration theory of student persistence is proposed and tested. In the proposed theory, time available for individual study is considered a major determinant of both study duration and graduation rate of students in a particular curriculum. In this view, other activities in the curriculum, in…

Students enter college exceedingly confident that they will earn high grades and engage themselves fully in their courses. However, students' grades and academic behaviors often do not match their expectations. This is especially true in introductory science courses, where grades and academic engagement are often low, even in courses taught by…