When analyzing the difference in a client's level of anxiety about performing wound care, the nurse plans to study two groups-- those who receive traditional discharge instructions only and those who receive traditional discharge instructions plus a DVD for home use that illustrates the wound care procedures. Which statistical procedure is best to use for this analysis?
T test.
Multiple regression.
Frequency distribution.
Factor analysis.
The Correct Answer is A
A. A t test is appropriate to compare the means of anxiety levels between two independent groups.
B .Multiple regression analyzes relationships between multiple variables, not just group differences.
C. Frequency distribution summarizes data but does not test group differences.
D. Factor analysis identifies underlying variables or factors, not group comparisons.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This question is specific, comparative, and focuses on the effectiveness of massage therapy relative to standard treatments, which is ideal for finding relevant research evidence.
B. This question is broader and focuses on common interventions rather than the effectiveness of massage therapy specifically.
C. While focused on massage therapy, it does not specify comparison or effectiveness relative to other treatments.
D. This is more of a yes/no or opinion question and less likely to direct to rigorous comparative studies or quantitative evidence.
Correct Answer is A
Explanation
A. The 9/11 attacks represent an external event that could influence participants' attitudes about personal safety, thus posing a threat to internal validity by affecting the study’s outcomes. Reporting this helps contextualize the findings.
B. Postponing the study is not always feasible or necessary; rather, acknowledging the event’s impact is key.
C. Instructing subjects to disregard feelings related to a major event like 9/11 is unrealistic and could compromise authentic responses.
D. While 9/11 could affect results, it does not inherently compromise the study’s reliability; the study can still yield valuable insights if the event is considered in the analysis.
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