Roediger · Perspectives on psychological science : a journal of the Association for Psychological Science 2006 · narrative review · n=?

The Power of Testing Memory: Basic Research and Implications for Educational Practice.

Cited 2052 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review of laboratory and classroom literature without systematic search methodology (design analogy).

PubMed 26151629 · doi:10.1111/j.1745-6916.2006.00012.x · record verified 2026-08-27

What was done

The authors conducted a selective review of cognitive psychology laboratory experiments and applied classroom studies examining the testing effect—the phenomenon where retrieving information on a test enhances long-term retention more than re-studying. The review also examined related concepts including dynamic testing, formative assessment, and potential negative consequences of testing.

What was found

The abstract reports no numerical data or quantitative effect sizes. It states qualitatively that testing improves later retention more than additional study (even without feedback), that positive effects generalize to educational settings, and that potential negative effects of testing are small and do not outweigh the benefits.

Why it matters

This review synthesized evidence supporting retrieval practice as an active mechanism for learning, arguing that frequent classroom testing can directly boost educational achievement.

Limits

As a selective narrative review, the paper lacks systematic search criteria, quality appraisal, and meta-analytic pooling. Specific sample sizes, participant populations, and quantitative effect bounds are not reported in the abstract.

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