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1. A nursing student is conducting a research study to
investigate the effectiveness of hand hygiene interventions
in reducing healthcare-associated infections. Which
research design is most appropriate for this study?
a) Descriptive
b) Experimental
c) Correlational
d) Qualitative
Answer: b) Experimental
Rationale: An experimental design allows for the
manipulation of variables to determine cause and effect
relationships. In this case, the effectiveness of hand
hygiene interventions can be measured by comparing
infection rates before and after implementation of the
interventions.
2. Which of the following types of research designs is best
suited for exploring the lived experiences of patients with
chronic illnesses?
a) Case study
b) Cross-sectional study
c) Quantitative study
d) Observational study
Answer: a) Case study
Rationale: Case study research design involves an in-depth
examination of a single individual or group over a period of
time, which allows for a comprehensive understanding of
their experiences and perspectives.
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