Explanation Given: If we see a placebo effect in an experiment to test a new treatment designed to cure warts, we know that a. The experiment was not properly double blinded. b. The experimental groups were too small. c. The warts of those in the control group were cured Some subjects are given treatment which seems like a real treatment, but it is not. It can be any kind of fake treatment. This is known as a Placebo. Researchers use Placebo during their studies to understand the effect of a new treatment. Sometimes a person can have a positive or negative response to a Placebo. These responses are known as Placebo effect. For example, some people in the study might have given a new drug to control high blood pressure. While the control group gets a placebo. So, none of them in the study know if they got real treatment or the placebo. Researchers compare the effects of the drug and the placebo on the people in the study. In this way, they can determine the effectiveness of the new drug and check for side effects whether they are occurred because of new drug or placebo effect...

15th Edition

ISBN: 9781269927116

Author: Bennett

Publisher: PEARSON

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Chapter 5 Solutions

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Ch. 5.A - You conduct a poll in which you randomly select...Ch. 5.A - Results of the poll described in question 1 would...Ch. 5.A - When we say that a sample is representative of the...Ch. 5.A - Consider an experiment designed to test whether...Ch. 5.A - The experiment described in question 4 is a....Ch. 5.A - The purpose of a placebo is a. to prevent...Ch. 5.A - Prob. 7QQ Ch. 5.A - An experiment is single-blind if a. it lacks a...Ch. 5.A - Poll X predicts that Powell will receive 49% of...Ch. 5.A - A survey reveals that 12% of Americans believe...

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