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 A
Explanation
Choice A rationale:
An operational definition of a variable. Rationale: The statement provides an operational definition of the variable "cultural self-efficacy" by explaining how it is assessed, which is through the "Cultural Self-Efficacy Scale." An operational definition specifies how a variable will be measured or assessed in a research study.
Choice B rationale:
The introduction to a quantitative design is not accurate. This statement does not introduce a specific quantitative research design; it defines a variable and its measurement method.
Choice C rationale:
A conceptual definition of a variable is not accurate. The statement goes beyond providing a conceptual definition by specifying the measurement tool used to assess the variable.
Choice D rationale:
The theoretical framework is not discussed in the statement. It focuses on the operational definition of a variable rather than presenting a theoretical framework.
Correct Answer is A
Explanation
Choice A rationale:
True random sampling. True random sampling ensures that each client discharged from the postoperative orthopedic unit after joint replacement surgery has an equal and independent chance of being selected for the study. This approach minimizes bias and enhances the generalizability of the study findings to the entire population of interest.
Choice B rationale:
Stratified random sampling involves dividing the population into subgroups (strata) and then randomly selecting samples from each stratum. While this approach can be useful for ensuring representation of specific subgroups, it may not be necessary if the goal is to have an equal chance of participation for all clients.
Choice C rationale:
Convenience sampling involves selecting participants based on their availability and accessibility. It is not suitable for this study, as it may introduce bias and not ensure equal chances of participation for all clients.
Choice D rationale:
Quota sampling involves selecting participants based on predefined quotas for specific characteristics. It is not the most suitable method for ensuring equal chances of participation for all clients in this study.
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