ATI RN
ATI Leadership and Ethics NURS 252 Questions
Extract:
Question 1 of 5
Volunteers in a study are assigned randomly to groups. Some of the volunteers receive an herbal supplement that is reputed to control nausea, and some of the volunteers are assigned to a control group where a placebo is administered. This is an example of a(n):
Correct Answer: D
Rationale: The correct answer is D: RCT (Randomized Controlled Trial). In this study design, volunteers are randomly assigned to groups to receive either the herbal supplement or a placebo, allowing for comparison of the effects. This random assignment helps minimize bias and ensures that any observed differences between the groups are likely due to the treatment. A longitudinal study (
A) follows subjects over an extended period, which is not described here. An appraisal tool (
B) is used to evaluate research quality, not a study design. Meta-analysis (
C) involves combining results from multiple studies, not assigning treatments.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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