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Mathematics, 27.04.2020 03:17 svlext

The effect of the time of day a science class is taught on test scores is being
studied in an experiment. Giving every student in the experiment the same
final exam is an example of which experimental design principle?

A. Randomization
B. Blocking
C. Direct control
D. Replication

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The effect of the time of day a science class is taught on test scores is being
studied in an...
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