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An experiment must have a placebo group in order to be valid. (T/F)

An experiment must have a placebo group in order to be valid. (T/F)
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1 vote
An experiment must have a placebo group in order to be valid. (T/F)

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User Ifredom
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8.5k points

1 Answer

4 votes

The statement is false.

answered
User Khaalid
by
7.2k points
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