The nurse who works in a diabetes management clinic reviews several research articles to determine if individual or group education is the most effective teaching method for the clinic's clients.
Which study provides the best evidence?
A descriptive study that found a positive link between individual teaching and blood glucose levels.
A qualitative study that interviewed subjects and found that they preferred individual education.
A cost analysis study that determined group education was less costly than individual education.
A randomized controlled trial that concluded individual and group education achieve similar results.
The Correct Answer is D
Choice D rationale:
A randomized controlled trial that concluded individual and group education achieve similar results. Rationale: Randomized controlled trials (RCTs) are considered the gold standard for assessing the effectiveness of interventions. In this case, an RCT concluded that individual and group education achieve similar results, providing strong evidence for decision-making in the diabetes management clinic.
Choice A rationale:
A descriptive study that found a positive link between individual teaching and blood glucose levels. Rationale: Descriptive studies provide valuable information but do not establish causal relationships. A positive link between individual teaching and blood glucose levels may suggest an association but does not necessarily demonstrate effectiveness.
Choice B rationale:
A qualitative study that interviewed subjects and found that they preferred individual education. Rationale: Qualitative studies explore preferences and experiences but do not typically provide evidence of effectiveness in terms of health outcomes or clinical practice.
Choice C rationale:
A cost analysis study that determined group education was less costly than individual education. Rationale: Cost analysis studies focus on economic aspects and cost-effectiveness but may not address clinical effectiveness or outcomes. The best evidence for clinical decision-making typically comes from RCTs.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice B rationale:
Apply for institutional review board (IRB) approval for a study involving human subjects is the most important step before conducting the experimental study. IRB approval is crucial to ensure that the research is conducted ethically, with proper consideration for participant safety and rights. It also assesses the study's design, methods, and consent process to protect participants.
Choice A rationale:
Determining what instruments are available to measure the independent variable is essential but typically follows the IRB approval process. It is part of the research planning and implementation stages.
Choice C rationale:
Obtaining release forms from parents allowing their children to participate in the study is important but is a step that follows IRB approval. Informed consent processes are typically reviewed by the IRB.
Choice D rationale:
Reviewing the literature to determine if other research projects have addressed this issue is valuable but is part of the research planning and background information gathering stage. While it is important, obtaining IRB approval takes precedence as it ensures the ethical conduct of the study.
Correct Answer is B
Explanation
Choice A rationale:
Due to the clinical significance of this study's findings, both hospitals should replicate the study with clients in the progressive care unit. Rationale: Replicating the study in a different unit may not be necessary if the clinical significance of the findings is considered negligible. It would be more appropriate to focus on other areas of improvement rather than replicating the study.
Choice B rationale:
Although statistically significant results were found, the clinical significance was negligible, so this study should not prompt a change in current practice. Rationale: This choice provides the correct interpretation of the research findings. Statistically significant results do not always translate into clinically meaningful outcomes. In this case, while there was a statistical increase in nosocomial infection rates, the minimal impact on client complications suggests that there may not be a need for immediate changes in practice.
Choice C rationale:
Statistically significant findings place clients at Hospital A at higher risk for complications, so the intensive care unit needs to be closed and decontaminated. Rationale: Closing and decontaminating the intensive care unit is a drastic response that may not be warranted based on the study findings, which indicate minimal clinical impact.
Choice D rationale:
Nosocomial infection rates resulted in longer hospitals stays for clients at Hospital A, so re-training on infection control practices
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