A nurse who has read several clinical research articles containing similar results will consult the policy and procedure committee about adopting a change in hospital practice based on the article with the strongest research design. Which article should the nurse choose, based on the sample size and the level of significance reported?
36 subjects; p <.15.
57 subjects; p < .002.
42 subjects; p < .016.
70 subjects; p<.23.
The Correct Answer is B
A. This study has a relatively small sample size and a higher p-value, indicating weaker statistical significance.
B. This study has a larger sample size and a much lower p-value, indicating stronger statistical significance, making it the best choice among the options.
C. This study has a moderate sample size and a moderate p-value, suggesting moderate statistical significance.
D. This study has a larger sample size but a higher p-value, indicating weaker statistical significance compared to option B.
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Related Questions
Correct Answer is B
Explanation
A. Identifying themes from clients' statements is more aligned with qualitative research methods.
B. A codebook is used in quantitative research to categorize, label, and manipulate the data obtained.
C. Describing dissemination resources is not typically the purpose of a codebook.
D. Correlating demographic data with client responses is not the primary purpose of a codebook.
Correct Answer is D
Explanation
A. Replicating the study with clients in the progressive care unit may not be necessary unless similar trends are observed or there are concerns specific to that unit.
B. Closing and decontaminating the intensive care unit based solely on statistically significant findings without considering clinical significance would be an extreme response and may not be justified.
C. While re-training on infection control practices may be beneficial, it may not be necessary solely based on the findings of this study without considering other factors.
D. Since the incidence of client complications from nosocomial infections was minimal at both institutions despite the statistically significant increase in infection rates at Hospital A, the clinical significance of the findings is negligible, and thus, no change in current practice is warranted.
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