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):
longitudinal study.
appraisal tool.
meta-analysis.
RCT.
The Correct Answer is D
A. Longitudinal study: A longitudinal study involves repeated observations of the same variables over a period of time, but it does not necessarily include random assignment or control groups.
B. Appraisal tool: An appraisal tool is used to assess the quality of studies, not to conduct the study itself.
C. Meta-analysis: A meta-analysis combines the results of multiple studies, rather than assigning participants randomly to different groups within a single study.
D. RCT: A randomized controlled trial (RCT) involves randomly assigning participants to either an intervention group or a control group, which is the method described in the question.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Deter mistakes by emphasizing the consequences of committing a medication error: While emphasizing consequences can be important, it does not address the root causes or systemic issues that may be contributing to the errors.
B. Include the bedside nurses in the decision-making process involving their practice: Engaging bedside nurses in decision-making helps address issues directly affecting their work environment and practice, fostering a culture of safety and collaboration that can reduce errors.
C. Encourage nurses who commit medication errors to file incident reports, placing them in the patient's chart: While reporting errors is important for documentation, placing them in the patient's chart may not be the best practice for addressing systemic issues or improving procedures.
D. Relinquish responsibility by asking a separate department to oversee quality improvement: Quality improvement should be a collaborative effort, not delegated entirely to another department, to ensure that changes are relevant and effective.
Correct Answer is D
Explanation
A. Longitudinal study: A longitudinal study involves repeated observations of the same variables over a period of time, but it does not necessarily include random assignment or control groups.
B. Appraisal tool: An appraisal tool is used to assess the quality of studies, not to conduct the study itself.
C. Meta-analysis: A meta-analysis combines the results of multiple studies, rather than assigning participants randomly to different groups within a single study.
D. RCT: A randomized controlled trial (RCT) involves randomly assigning participants to either an intervention group or a control group, which is the method described in the question.
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