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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
This study is experimental because it involves the manipulation of an independent variable (participation in a specified 3-month strenuous exercise program) to assess its impact on a dependent variable (Hemoglobin A1c findings) in two groups (participants and non-participants).
Choice B rationale:
An exploratory study typically aims to explore a new topic or area and may involve surveys, interviews, or observations to generate hypotheses and ideas. It does not necessarily involve an experimental design.
Choice C rationale:
A correlational study examines the relationship between variables but does not involve experimental manipulation of an independent variable.
Choice D rationale:
A developmental study typically investigates changes or development over time, such as in child development, but does not necessarily involve experimental manipulation of variables.
Correct Answer is D
Explanation
In the statement, the purpose of the research study is to examine barriers and aids to maintaining the nutritional health of community-dwelling elderly residents. "Nutritional health" is the concept or outcome that the study aims to understand or explore, making it the dependent variable. The study seeks to explore how various factors (barriers and aids) influence or affect nutritional health in elderly residents.
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