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Problem-based learning: a review of literature on its outcomes and implementation issues
1Office of Consultation and Research in Medical Education, University of Iowa College of Medicine, Iowa City 52242.
Problem-based learning (PBL) offers a more enjoyable educational experience, with graduates performing well in clinical settings and family medicine. However, concerns remain regarding basic science knowledge and reasoning skills, warranting cautious implementation.
Area of Science:
- Medical Education
- Pedagogy
Background:
- Problem-based learning (PBL) is an educational approach.
- Its effectiveness compared to conventional instruction requires examination.
Purpose of the Study:
- To conduct a meta-analysis-type review of PBL's effects.
- To compare PBL outcomes with conventional instruction.
Main Methods:
- Review of English-language international literature from 1972 to 1992.
- Meta-analysis-type approach to synthesize findings.
Main Results:
- PBL is more nurturing and enjoyable; graduates perform well on clinical exams and evaluations.
- PBL graduates are more likely to enter family medicine and faculty enjoy teaching it.
- Some PBL students scored lower on basic sciences and exhibited backward reasoning, with potential knowledge gaps.
Conclusions:
- PBL shows benefits in clinical performance and student/faculty satisfaction.
- Concerns exist regarding basic science knowledge and reasoning skills.
- Further research is needed on faculty direction, cost-effective methods, cognitive weaknesses, and resource utilization before widespread PBL adoption.
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