Score category

Debriefing group

(n = 106)

Control group

(n = 96)

Test statistic

p-value

Pre-training*

101.42

101.59

U = 5079.5

0.98

Mean rank

Immediate post-training**

106.77

95.68

U = 4529.5

0.18

Mean rank

Retention post-training

65.2 ± 16.8

32.4 ± 18.2

t(df = 200) = 27.7

<0.001

Mean ± SD (%)