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Table 4 Scores for multi-stage questions, shown as adjusted mean (standard error). Maximum score was 12

From: Assessment of an electronic voting system within the tutorial setting: A randomised controlled trial [ISRCTN54535861]

Subject: Acute Abdominal Pain

Tutorial

Pre-Test

Immediate Post-Test

6 week Post-Test

Retention

No EVS

3.60 (0.25)

6.24 (0.17)

5.96 (0.20)

-0.28 (0.23)

With EVS

3.97 (0.26)

6.20 (0.20)

6.72 (0.22)

0.52 (0.26)*

difference

ns

ns

p = 0.01

p = 0.01

Subject: Gastrointestinal Haemorrhage

Tutorial

Pre-Test

Immediate Post-Test

6 week Post-Test

Retention

No EVS

3.88 (0.24)

6.79 (0.15)

5.92 (0.19)

-0.87 (0.22)**

With EVS

3.90 (0.28)

6.22 (0.21)

6.20 (0.23)

-0.02 (0.27)

difference

ns

p= 0.03

ns

p = 0.02

  1. **p < 0.0001, pairwise comparison for difference over time (t-test)
  2. *p < 0.05, pairwise comparison for difference over time (t-test)