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Related Experiment Video

Updated: May 13, 2026

Mechanical Ventilation Boot Camp Curriculum
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Published on: March 12, 2018

Do team and individual debriefs enhance performance? A meta-analysis.

Scott I Tannenbaum1, Christopher P Cerasoli

  • 1The Group for Organizational Effectiveness, 727 Waldens Pond Rd., Albany, NY 12203, USA. scott.tannenbaum@groupoe.com

Human Factors
|March 23, 2013
PubMed
Summary

Debriefs, or after-action reviews, enhance individual and team performance by about 25%. This inexpensive intervention improves learning from experience when properly conducted, ensuring alignment and structure.

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Area of Science:

  • Organizational Psychology
  • Human Factors
  • Performance Improvement

Background:

  • Debriefs (after-action reviews) are widely used for learning from experience in various fields.
  • Research on debriefing effectiveness is fragmented across disciplines, hindering definitive conclusions.
  • Systematic reflection, discussion, and goal setting are key components of debriefing.

Purpose of the Study:

  • To unify fragmented literature on debriefing.
  • To quantitatively assess the efficacy of debriefs in improving performance.
  • To identify factors influencing debriefing effectiveness.

Main Methods:

  • Conducted an extensive quantitative meta-analysis.
  • Included published and unpublished research on team- and individual-level debriefs.
  • Analyzed 46 samples comprising 2,136 participants.

Main Results:

  • Debriefs improve effectiveness by approximately 25% (d = .67) compared to control groups.
  • Effect sizes were consistent across teams and individuals, real and simulated settings.
  • Alignment, facilitation, and structure were identified as potentially bolstering factors.

Conclusions:

  • Properly conducted debriefs can enhance individual and team performance by 20%–25%.
  • Debriefing is a cost-effective and time-efficient intervention for performance enhancement.
  • Maximizing debriefing impact requires alignment in participants, focus, intent, and measurement levels.