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Table 4 Changes in key concepts and misconceptions as measured by the ACORNS item

From: Iterative design of a simulation-based module for teaching evolution by natural selection

  Proportion expressing on pre Proportion expressing in post McNemar’s χ2 p value* (df = 1)
Key concept
Variation 0.34 0.53 82.4 < 0.0001
Heritability 0.13 0.35 127.2 < 0.0001
Differential fitness 0.42 0.62 97.7 < 0.0001
Misconception
Need to change 0.25 0.20 9.4 < 0.01
Individuals evolve 0.10 0.05 16.4 < 0.0001
  1. *Correcting for multiple comparisons, critical value is 0.01. At this level, all comparisons are significant