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the claim

Cramming the night before an exam improves short-term test performance.

the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 5 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 Cramming the night before an exam improves short-term test performance?

Partly. Evidence is mixed and only partial: one peer-reviewed paper reports that night-before cramming probably enables short-term recall for the exam and another finds cramming raises contemporaneous test performance, while several studies link cramming's sleep loss and poor study habits to worse exam outcomes.

Verdict: CONTESTED PARTIAL · 2 sources for, 5 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 · 2
Study the Impact of Cramming in Medical Students
2022
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Study the Impact of Cramming in Medical Students. (2022). hal.science. https://hal.science/hal-05193998v1

Evidence against · 5
Sleep Restriction Impairs Vocabulary Learning when Adolescents Cram for Exams: The Need for Sleep Study -
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Sleep Restriction Impairs Vocabulary Learning when Adolescents Cram for Exams: The Need for Sleep Study - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.5665/sleep.6092

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More for · 1
Cramming: Short- and Long-Run Effects. EdWorkingPaper No. 21-444
2021
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Gilraine, M. & Penney, J. (2021). Cramming: Short- and Long-Run Effects. EdWorkingPaper No. 21-444. eric.ed.gov. https://eric.ed.gov/?id=ED671937

More against · 4
Cramming Analysis Based on Time to Start Studying and Time the Exam being Held
2024
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Cramming Analysis Based on Time to Start Studying and Time the Exam being Held. (2024). hal.science. https://doi.org/10.9734/indj/2024/v21i4438

Deadlines don’t prevent cramming: Course instruction and individual differences predict learning strategy use and exam performance
2023
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Theobald, M., Bellhäuser, H., & Imhof, M. (2023). Deadlines don’t prevent cramming: Course instruction and individual differences predict learning strategy use and exam performance. doi.org. https://doi.org/10.31234/osf.io/7dpae

Sleep and Final Exam Performance in Introductory Physics
2018
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Vincent, C., Colin, W., & Daniel, P. (2018). Sleep and Final Exam Performance in Introductory Physics. eric.ed.gov. https://doi.org/10.1119/1.5025289

Should I study or should I go (to sleep)? The influence of test schedule on the sleep behavior of undergraduates and its association with performance
2021
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Estevan, I., Sardi, R., Tejera, A. C., Silva, A., & Tassino, B. (2021). Should I study or should I go (to sleep)? The influence of test schedule on the sleep behavior of undergraduates and its association with performance. doi.org. https://doi.org/10.1371/journal.pone.0247104

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