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Author Question: The following are procedures undertaken before an experimental study begins except (Read 149 times)

plus1

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The following are procedures undertaken before an experimental study begins except
◦ matching students to both the control and experimental groups.
◦ statistically controlling for covariates that may influence the outcome.
◦ testing students on a pretest over the material.
◦ selecting a group of homogeneous students on select characteristics.


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Marked as best answer by plus1 on Mar 7, 2019

bitingbit

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bitingbit

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