Which is the dependent variable in this statement of the purpose of a research study?
"To examine barriers and aids to maintaining the nutritional health of community-dwelling older residents based on their perspectives."
Older residents.
Those who live in community-dwellings.
Barriers and aids to maintaining nutritional health.
Nutritional health.
The Correct Answer is C
A. Older residents and those who live in community-dwellings are the population of interest but are not the variables being examined in this study.
B. Those who live in community-dwellings is a descriptor of the population rather than a variable being examined in the study.
C. The dependent variable is what the study aims to measure or investigate. In this case, the study aims to examine barriers and aids to maintaining nutritional health, making it the dependent variable.
D. Nutritional health is a concept being explored but is not the dependent variable specifically mentioned in the purpose statement.
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Correct Answer is D
Explanation
A. Recommending the purchase of a barcode scanner system may be a potential intervention, but it is not the first step in initiating a quality improvement project. It is important to first understand the root causes and specific patterns of medication errors before implementing interventions.
B. Offering an educational program for staff about the costs of medication errors addresses staff education but does not address the underlying causes of the increase in medication errors. It is important to collect data and identify specific patterns before implementing educational programs.
C. Talking with nurses on a daily basis may provide valuable insights, but it is not an organized approach to identifying and addressing specific patterns of medication errors. Systematic data collection is needed to guide quality improvement efforts.
D. Collecting monthly data at the nursing unit level to isolate specific patterns is the first step in initiating a quality improvement project. This allows the identification of trends, patterns, and potential root causes of medication errors, which can then inform the development of targeted interventions.
Correct Answer is B
Explanation
A. While a literature review may discuss the potential implications of the study findings for future research or practice, its primary purpose is to provide background information and theoretical framework for the research question.
B. Providing a context for the research question involves describing relevant theories, concepts, and findings from previous studies that inform the current study. This helps justify the research question, refine hypotheses or research objectives, and guide methodology and interpretation of results.
C. Ensuring that the study has not already been completed is one aspect of a literature review, but its broader purpose is to review existing literature to build on previous knowledge and identify gaps in the literature that the current study can address.
D. While the literature review may provide insights into different research designs used in previous studies, its primary purpose is not to identify the research design or explain the rationale for choosing the research methodology.
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