The US military routinely uses debriefs and after-action reviews as a means to learn and impart lessons on the participants. An analysis of literature on the value of such debriefs shows that they improve performance 20-25% (Tannenbaum, S., and Cerasoli, C., “Do Team and Individual Debriefs Enhance Performance? A Meta-Analysis ” Human Factors , Vol 55, No 1, 2013 pp. 231-245). The benefit was seen for both teams and individuals , with average debrief time less than 20 minutes . The debriefs contained four key elements : (1) active, leading to self-discovery; (2) developmental, what should be done next time; (3) specific event focus, allowing for deeper examination; and (4) multiple information sources, ensuring more complete account.
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