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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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mikael mikael
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10 years ago
In conducting experimental research, the purpose of having a control group is to
A. increase the sample size.
B. be able to improve variability within a sample.
C. be able to observe multiple effects at the same time.
D. provide a standard for comparison with the treated group.
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doseofmegandoseofmegan
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10 years ago
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mikael Author
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10 years ago
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