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Updated: Aug 13, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
Effectiveness of problem-based learning curricula: theory, practice and paper darts
1Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada.
Abstract:
In a recent review article, Colliver concluded that there was no convincing evidence that problem-based learning was more effective than conventional methods. He then went on to lay part of the blame on cognitive psychology, claiming that 'the theory is weak, its theoretical concepts are imprecise. the basic research is contrived and ad hoc'. This paper challenges these claims and presents evidence that (a) cognitive research is not contrived and irrelevant, (b) curriculum level interventions are doomed to fail and (c) education needs more theory-based research.
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