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Table 3 Results survey at T0 andT1 for both groups

From: Standardized videos in addition to the surgical curriculum in Medical Education for surgical clerkships: a cohort study

  Control group Video group p-value
Before start (T0) End (T1) Before start (T0) End (T1)
I feel I have sufficient sources
 Cronbach’s α 0.72 0.88 0.76 0.84 0.001
 Median (IQR) 3.6 (3.2 – 4.0) 3.8 (3.3 – 4.2) 3.5 (3.0 – 4.0) 4.2 (3.8 – 4.6)
I feel I have sufficient knowledge
 Cronbach’s α 0.69 0.77 0.77 0.81 0.03
 Median (IQR) 3.4 (3.0 – 3.7) 4.0 (3.7 – 4.2) 3.2 (3.0 – 3.7) 4.1 (3.9 – 4.4)
Multimedia
 Cronbach’s α   0.80   0.80 0.002
 Median (IQR)   3.9 (3.6 – 4.3)   4.4 (3.8 – 4.8)
Knowledge test scores (%)
 Mean (SD) 43.6 (10.9) 58.5 (12.4) 40.2 (11.0) 66.3 (7.9) 0.0001