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:

Afterbirth

The third stage of birth, when the placenta, umbilical cord, and other membranes are detached and expelled.

Birth Process

The series of physiological events by which a fetus is expelled from the womb and enters the external world as a newborn

Third Stage

In the context of childbirth, the third stage of labor involves the delivery of the placenta after the baby is born. In other contexts, it can refer to a specific phase in a process or development.

Birth Process

The physiological and medical events involved in childbirth, from the onset of labor through delivery of the baby and placenta.