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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