Immediate and 3-months post-training

Mean difference (%)

SD

(%)

Test statistic

p-value

All study population (n = 202)

2.34

28.19

t(df 200) = 1.18

0.239

Debriefing group (n = 106)

11.88

25.67

t(df 200) = 4.76

<0.0001

Control group (n = 96)

-8.19

27.20

t(df 97) = −2.95

<0.0001