Teachers, especially their teaching behaviours, play an important role in students' learning and students with a high interest in learning show deeper understanding in the classroom. This study intends to explore how far the teacher's charisma--knowledge, character traits, teaching techniques and humour--contribute to students' interest in…

Although a growing literature has documented the effectiveness of informal group work during class sessions, virtually no data exist on which students are collaborating. As a result, instructors rarely know whether students are self-sorting in ways that maximize learning. This article explores which undergraduate students worked together on each…