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Title: A researcher gives half of her participants a new anti-anxiety pill and the other half a placebo ... Post by: leoabedian on Jan 21, 2018 A researcher gives half of her participants a new anti-anxiety pill and the other half a placebo pill. She does not tell participants whether they have received an active treatment pill or a sugar pill. This is an example of what type of study?
a. a prospective study b. a single-blind study c. a double-blind study d. a observational study Title: A researcher gives half of her participants a new anti-anxiety pill and the other half a placebo ... Post by: mia2much39 on Jan 21, 2018 Content hidden
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