Double-blind studies enable researchers to assess the extent to which drug therapy outcomes are attributable to

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Double-blind studies involve giving participants either a placebo or the actual medication, and neither the participants nor the researchers know who received which. This allows researchers to assess whether the drug therapy outcomes are due to the drug itself or the placebo effect (i.e. the belief that the medication is effective). This is important for ensuring that the medication is actually effective and not just perceived to be effective due to the placebo effect. Choices A, C, and D are not directly related to double-blind studies.

Double-Blind Studies Enable Researchers to Assess the Extent to Which