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Table 5 The Wilcoxon signed-rank test results

From: MIC-O-MAP: a technology-enhanced learning environment for developing micro-macro thinking skills

Criteria Pre-test mean, N = 46 Post-test mean, N = 46 Wilcoxon signed-rank test results
Describe observations without explanations M = 1.27, SD = 0.962 M = 1.84, SD = 0.851 Z = − 3.953, p = 0.000
Devise an explanation for an observed pattern M = 1.48, SD = 1.12 M = 2.13, SD = 0.694 Z = − 3.018, p = 0.003
Make prediction based on explanation M = 1.75, SD = 0.829 M = 2.53, SD = 0.694 Z = − 4.284, p = 0.000
Decide whether the prediction and the experimental outcome agree M = 2.42, SD = 1.177 M = 3.0, SD = 0.000 Z = − 2.887, p = 0.004