Concurrent operant assessments (COAs) offer a flexible model for evaluating instructional preferences for students with persistent, escape-motivated interfering behavior. In this article, we define the critical features of COAs and review what types of questions they can address for classroom educators. We then identify and describe a series of…

This study draws on complete friendship network data on two first-year biological sciences cohorts at a selective university in the United States to investigate how and to what extent allocating students to curricular groups and grading their performance in class shape (1) processes of friend selection at the dyadic level and (2) friendship…

Conflicts over the politics of speech have been a persistent challenge in U.S. higher education. Public narratives portray universities as antagonistic toward conservative speakers, yet empirical evidence remains limited. To address this gap, we analyze the political orientations of 1,875 commencement speakers at 52 universities between 1989 and…