Designing Activities to Teach Higher-Order Skills: How Feedback and Constraint Affect Learning of Experimental Design.

Three of the individual experimental design elements in the MV-EDAT – Uses Systematic Variation, Addresses Hypothesis, and Includes Replication – likewise, after Bonferroni correction (α = 0.008), showed highly significant improvement between pre- and postassessments for students in all treatments ( Figure 5 ; p < 0.001 for each using randomization tests).

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