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

Question

Quizplus · Accepted Answer

Double-blind studies involve giving some participants a real drug and others a placebo, without either the researcher or the participant knowing which is which. This allows researchers to assess the extent to which any observed drug therapy outcomes are due to the active ingredients of the drug or simply to the placebo effect. Therefore, the best answer is B, the placebo effect. The other answer options (therapeutic alliance, progressive relaxation, and vagus nerve stimulation) are not directly relevant to the purpose of double-blind studies.

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