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22 February, 00:28

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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Answers (2)
  1. 22 February, 00:35
    0
    I think the answer is c.
  2. 22 February, 00:55
    0
    the answer is C. Direct Control

    Step-by-step explanation:

    giving each student the same test is something being controlled directly by the scientist/reasearcher

    can't be randomization as it is not random

    can't be replication as nothing is being replicated/duplicated
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Home » Mathematics » 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.
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