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Author Question: The following are procedures undertaken before an experimental study begins except (Read 300 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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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bitingbit

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