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An experiment must have a placebo group in order to be valid.a. Trueb. False
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An experiment must have a placebo group in order to be valid.a. Trueb. False
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Oct 16, 2024
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An experiment must have a placebo group in order to be valid.a. Trueb. False
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Answer: True
Step-by-step explanation:
Chtioui Malek
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Oct 22, 2024
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Chtioui Malek
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