Concept explainers
To explain could blinding be used in this experiment and why is blinding an important consideration in this context.
Answer to Problem 60E
Yes, it can be used.
Explanation of Solution
In an experiment, if subjects in the control group know that they are receiving a placebo, the placebo effect will be reduced or eliminated; and the placebo will not serve its intended control purpose. Blinding is the practice of not telling subjects whether they are receiving a placebo. Thus, blinding is important in an experiment.
And we can use blinding in the experiment of testosterone supplements used to reduce the effect on the men’s body as the age increases because if subjects in the control group know that they are receiving a placebo, the placebo effect will be reduced or eliminated. Therefore, for the accuracy of the result of the experiment blinding can be done so that subjects are not known what they are receiving. This may result in better efficiency of the experiment.
Chapter 4 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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