Used correctly, assessments play a vital role in the success of a course: they provide valuable feedback to students regarding their knowledge gaps, encourage deeper understanding of the material, help students to develop critical thinking, and guide students to accomplish a course's learning goals. They also provide a signal to future employers,…

Instructors may use low-cost, light-touch strategies to help students achieve optimal effort in demanding upper-level courses. The authors of this study exploit an intervention that provides a series of personalized feedback emails to students about their relative performance, which is tied to approving messages or tips that encourage improvement.…