Four participants sign up for an experiment examining the effects of alcohol on sociability.One participant is given an alcoholic beverage to drink and is told that it is alcohol.A second participant is given an alcoholic beverage to drink but is told that it is nonalcoholic.A third participant drinks a nonalcoholic beverage but is told that it contains alcohol,and a fourth participant is given a nonalcoholic beverage and is told that it is nonalcoholic.This illustrates a _____ placebo design.
A)pre-post
B)deceptive
C)double-blind
D)balanced

Question

Quizplus · Accepted Answer

This scenario illustrates a balanced placebo design, where participants are divided into groups that receive different combinations of actual and perceived treatments to assess the effects of both the substance and the belief about the substance.

Four Participants Sign Up for an Experiment Examining the Effects