Review of experimental evidence concerning the effectiveness of problem-based learning suggests that the approach may not improve content-free problem solving; may initially reduce learning levels but fosters long-term retention; may enhance transfer of concepts and integration of concepts into clinical problems; enhances intrinsic interest of…

A study investigated differences in National Board of Medical Examiners Part I scores for students at the College of Human Medicine (Michigan) in two preclinical medicine curricula, one problem based and one traditional, during four distinct periods. Results illustrate the difficulty of comparing the curricula, given revisions over time. (MSE)

A University of Toronto pharmaceutics course which organizes information about physical chemistry around real problems, presented as case studies or laboratory projects, is described. Problems were addressed in class discussions or by unsupervised eight-student groups using self- and group evaluation procedures. Results are discussed, and three…