In problem-based learning (PBL), students working in collaborative groups learn by resolving complex, realistic problems under the guidance of faculty. There is some evidence of PBL effectiveness in medical school settings where it began, and there are numerous accounts of PBL implementation in various undergraduate contexts, replete with…

In its use of complex, real-world problems to introduce concepts and motivate learning in an active and cooperative learning environment, problem-based learning is a powerful alternative to the passive lecture in introductory college science. Use of technology and multimedia instruction, focus on large classes, and use of interdisciplinary…