In One Study, a Large Number of Patients Were Assigned

question 141

Multiple Choice

In one study, a large number of patients were assigned to practice transcendental meditation or to complete an educational program.The transcendental meditation group experienced improvement on a number of health measures relative to the education group.The researchers are now designing a new study to rule out alternative explanations for the findings.Which of the following changes to the study design would best address the main alternative explanations?

• A)Increase the sample size.
• B)Add a relaxation control group.
• C)Recruit a more representative sample.
• D)Change the health measures that were used in the first study.

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Definitions:

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Sacrum

A large, triangular bone at the base of the spine, connected to the pelvis, playing a key role in supporting the upper body.

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