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Table 2 Mann-Whitney U test scores

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

Criteria Experimental group mean, N = 37 Control group mean, N = 36 Mann-Whitney U test result
Describe observations without explanations M = 1.97, SD = 0.644 M = 1.77, SD = 0.637 U = 562.00, p = 0.195
Devise an explanation for an observed pattern M = 1.62, SD = 0.758 M = 0.83, SD = 0.845 U = 342.50, p = 0.000
Make prediction based on explanation M = 1.62, SD = 0.794 M = 1.19, SD = 0.524 U = 437.00, p = 0.003
Decide whether the prediction and the experimental outcome agree M = 2.27, SD = 1.017 M = 1.83, SD = 0.810 U = 455.00, p = 0.014
Revise the explanation when necessary M = 0.64, SD = 0.856 M = 0.22, SD = 0.590 U = 475.50, p = 0.008