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Table 2 Difference in quiz score between the three treatment groups

From: Researching for better instructional methods using AB experiments in MOOCs: results and challenges

Comparison Δμ (quiz) (%) SD (%) Z p (z test)
D&D-MC 2.30 2.10 1.11 0.27
MC-TRD −4.70 2.10 −2.22 0.026a
TRD-D&D 2.30 2.10 1.14 0.26
  1. aSignificant at the 0.05 level