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:
Experimental. Rationale: An increase in the number of subjects during the study is a characteristic of an experimental design. Experimental studies often involve the random assignment of subjects into groups and can include adding or recruiting more subjects as the study progresses to increase statistical power.
Choice A rationale:
Quantitative. Rationale: Quantitative research encompasses various research designs, including experimental, quasi-experimental, and non-experimental. The increase in the number of subjects alone does not specify the design as quantitative; it's more related to the experimental aspect.
Choice C rationale:
Quasi-experimental. Rationale: Quasi-experimental designs are similar to experimental designs but lack randomization. The increase in the number of subjects during the study is not a defining characteristic of quasi-experimental designs.
Choice D rationale:
Qualitative. Rationale: Qualitative research focuses on understanding and interpreting experiences, perceptions, and phenomena rather than experimenting with variables or increasing the number of subjects during a study. The increase in subjects is not indicative of a qualitative design.
Correct Answer is ["B","E"]
Explanation
Choice A rationale:
7-year-olds with attention deficit hyperactivity disorder (ADHD) should not necessarily be excluded from participating in the study solely based on their ADHD diagnosis. Exclusion criteria should be related to factors that could significantly confound the study's results or pose additional risks to the participants.
Choice B rationale:
5 to 10-year-olds who are type 1 diabetics should not be automatically excluded from the study, as their diabetic status is not directly related to the study's research question about the effect of antibacterial sutures on wound infection.
Choice C rationale:
10-year-olds with dyslexia should not be excluded from the study unless dyslexia is directly related to the outcomes being measured (e.g., cognitive function) or if it poses a risk to the participant's ability to understand and comply with study requirements.
Choice D rationale:
First graders at a public school who are recent immigrants should not be automatically excluded from the study based solely on their immigrant status or grade level. Exclusion criteria should be based on factors relevant to the study's research question and potential risks.
Choice E rationale:
5 to 10-year-olds with leukemia should be excluded from the study, as they have a medical condition (leukemia) that directly affects the outcome being studied (wound infection). Their compromised immune systems could significantly confound the results.
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