Does size matter? Attendance numbers at SI-sessions and how it affects learning conditions
Supplemental Instruction (SI) is today a well-known academic support model to address retention and student performance in higher education. However, in studies reporting the effect of SI, the number of attendees at SI-sessions are seldom mentioned or reflected upon.This study investigates if there is a lower, optimal, and upper number of SI-attendees for SI-sessions with viable learning condition