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Table 3 Pre-intervention scores, post-intervention scores, and gain in scores on the written test and skills checklist for students in the intervention group (IG) and non-intervention group (NIG)

From: Teaching the pediatric ear exam and diagnosis of Acute Otitis Media: a teaching and assessment model in three groups

  Mean (SD) P-ValueBetween Groups
IG NIG
Written Test Pre-InterventionScore 12.9
(2.9)
12.9
(1.8)
P = 0.78
Post-InterventionScore 22.6
(1.7)
13.9
(2.5)
P < 0.001
Gain in Score +9.6*
(2.8)
+1.0**
(2.3)
P < 0.001
Skills Checklist Pre-InterventionScore 11.1
(4.4)
10.9
(4.0)
P = 0.88
Post-InterventionScore 19.2
(3.4)
11.0
(3.8)
P < 0.001
Gain in Score +8.1*
(4.8)
+0.1***
(4.5)
P < 0.001
  1. *Statistically Significant Gain in Scores at P < 0.001
  2. **Statistically Significant Gain in Scores at P = 0.03
  3. ***Non-Statistically Significant Gain in Scores at P = 0.90