The nurse-researcher wants to evaluate the effectiveness of guided imagery in reducing stress prior to starting an IV. In the research proposal, several studies are reported in the review of the literature section about the use of biofeedback to reduce anxiety prior to invasive procedures.
Which significance level and sample size provide the greatest support for the findings reported?
p<.031; 54 subjects.
p<.01; 15 subjects.
p<.001; 73 subjects.
p=.301; 24 subjects.
The Correct Answer is C
Choice A rationale:
A significance level of p<.031 is relatively lenient and might result in a higher chance of obtaining statistically significant results by chance. A sample size of 54 subjects is moderate but may not provide the greatest support for the findings.
Choice B rationale:
A significance level of p<.01 is still relatively lenient, and a sample size of 15 subjects is relatively small. While p<.01 is more stringent than p<.031, it does not provide as strong statistical support as the options with lower p-values.
Choice C rationale:
This is the correct answer. A significance level of p<.001 is highly stringent and indicates a very low probability of obtaining the observed results by chance. A sample size of 73 subjects is relatively large, which enhances the reliability of the findings. This combination provides the greatest statistical support for the reported findings.
Choice D rationale:
A significance level of p=.301 is not stringent at all and would likely result in non-significant findings even with a small sample size of 24 subjects. This choice does not provide strong statistical support for the reported findings.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
The review of the literature section provides an overview of existing research and background information related to the study's topic. It does not typically present study findings or results.
Choice B rationale:
The methodology section outlines the research methods, design, and procedures used in the study but does not present the study's actual findings.
Choice C rationale:
This is the correct answer. The sentence, "Distress after a natural disaster was high at 3 months and decreased monthly for a majority of the participants, although one-third of the survivors had higher distress at 13 months than at 3 months," appears in the results section. This section is dedicated to presenting the study's empirical findings and data.
Choice D rationale:
The discussion section is where researchers interpret and discuss the implications of their study's findings. It does not typically present the actual findings or data.
Correct Answer is B
Explanation
Choice B rationale:
What are the feelings, perceptions, and experiences of living and working in another culture? Rationale: Qualitative research aims to explore and understand the subjective experiences, perceptions, and feelings of individuals. This research question seeks to uncover the qualitative aspects of living and working in another culture, making it a suitable candidate for a qualitative study.
Choice A rationale:
What is the reliability and validity of the Cultural Self-Efficacy Scale? Rationale: Reliability and validity assessments typically involve quantitative methods and statistical analyses, making this question more suitable for quantitative research.
Choice C rationale:
Are the effects of the cultural immersion experience sustainable over time? Rationale: While this question involves assessing the sustainability of effects, it can be addressed using both quantitative and qualitative approaches. However, it does not directly focus on exploring subjective experiences or perceptions, which are typical aspects of qualitative research.
Choice D rationale:
Are there differences in values between students who participated in the cultural immersion experience and those who did not? Rationale: This research question is concerned with comparing values between groups, which is often addressed using quantitative methods such as surveys or statistical tests. It does not inherently require qualitative methods to explore subjective experiences.
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