A group of students at a university volunteered to participate in a study of attitudes about their personal safety.
The day before the study began, the nation experienced the 9/11 terrorism attacks. What statement is accurate regarding the event associated with this study?
The study should have been postponed for six months to distance the subjects from the 9/11 events.
The study subjects should have been instructed to disregard feelings about 9/11 when completing surveys.
The study should have been abandoned because the attacks of 9/11 compromised the study's reliability.
The authors should have reported the 9/11 events as a threat to the study's internal validity.
The Correct Answer is D
Choice A rationale:
Postponing the study for six months would not necessarily resolve the impact of the 9/11 events on the study's participants. It may also introduce other confounding factors related to the delay.
Choice B rationale:
Instructing study subjects to disregard their feelings about 9/11 may not be feasible or effective, as traumatic events can have a lasting impact on individuals' psychological well-being and attitudes.
Choice C rationale:
Abandoning the study due to the 9/11 events may not be necessary, but it is essential to acknowledge and address the potential influence of external events on the study's internal validity.
Choice D rationale:
This is the correct answer. The authors should have reported the 9/11 events as a potential threat to the study's internal validity, as they could have introduced confounding variables or influenced the participants' responses. By acknowledging this, researchers can provide transparency about potential limitations and their efforts to control for them.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
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.
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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