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the claim

Spaced repetition improves learning performance compared with massed practice.

the verdict
INSUFFICIENT LEANING
Recorded sources
9 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that spaced repetition improves learning performance compared with massed practice?

Unclear. Multiple peer-reviewed studies and reviews report that spaced practice yields better learning and retention than massed practice, including a physics module where spaced users scored higher on exams and a vocabulary review finding superior effects for spaced practice. However, each placed source covers only a specific population, subject, or setting, so the evidence supports the claim in part rather than settling it generally.

Verdict: PARTIAL LEAN · 9 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 9
Spaced repetition
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Spaced repetition. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Spaced_repetition

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More for · 8
The Impact of Spaced and Massed Practice on Deliberate Learning of English Opaque Idioms across L2 Proficiency Levels: A Mixed-Methods Research
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Heidari, K. (n.d.). The Impact of Spaced and Massed Practice on Deliberate Learning of English Opaque Idioms across L2 Proficiency Levels: A Mixed-Methods Research. doi.org. https://doi.org/10.26686/wgtn.27080959

Using the Lessons of Learning Science to Improve Medical Education in Otolaryngology.
2022
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Rosi-Schumacher, M. & DeGiovanni, J. C. (2022). Using the Lessons of Learning Science to Improve Medical Education in Otolaryngology.. doi.org. https://doi.org/10.1177/01455613231160509

Effects of spaced retrieval training on semantic memory in Alzheimer’s disease: a systematic review.
2014
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S, O., C, W., & J, S. (2014). Effects of spaced retrieval training on semantic memory in Alzheimer’s disease: a systematic review.. doi.org. https://doi.org/10.1044/1092-4388(2013/12-0352)

Spaced Repetition: towards more effective learning in STEM
2020
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Voice, A. & Stirton, A. (2020). Spaced Repetition: towards more effective learning in STEM. doi.org. https://doi.org/10.29311/ndtps.v0i15.3376

Retrieval practice and spacing effects in multi-session treatment of naming impairment in aphasia
2019
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Retrieval practice and spacing effects in multi-session treatment of naming impairment in aphasia. (2019). doi.org. https://doi.org/10.1016/j.cortex.2019.07.003

Spaced Learning Enhances Episodic Memory by Increasing Neural Pattern Similarity Across Repetitions
2019
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Spaced Learning Enhances Episodic Memory by Increasing Neural Pattern Similarity Across Repetitions. (2019). doi.org. https://doi.org/10.1523/jneurosci.2741-18.2019

Effectiveness of Self-Paced Learning using Mnemonic Devices, Spaced Repetition, and Brain Training on Memory Recall of Senior High School STEM Students
2025
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Melegrito, C. K. L., Baclig, K. G., Balantac, K. M., Guzman, D. A., Vidal, K. K., Peña, L. V. C. D., & Dapiawen, K. J. (2025). Effectiveness of Self-Paced Learning using Mnemonic Devices, Spaced Repetition, and Brain Training on Memory Recall of Senior High School STEM Students. doi.org. https://doi.org/10.70838/pemj.350604

The Depletion–Power–Integration–Latency (DPIL) model of spaced and massed repetition
2012
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The Depletion–Power–Integration–Latency (DPIL) model of spaced and massed repetition. (2012). doi.org. https://doi.org/10.1016/j.cie.2012.03.005

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