A nurse researcher is studying the effectiveness of a new pain management protocol. The researcher wants to determine if there is a statistically significant difference in pain lev... A nurse researcher is studying the effectiveness of a new pain management protocol. The researcher wants to determine if there is a statistically significant difference in pain levels before and after the intervention. Which of the following statistical tests would be most appropriate?
Understand the Problem
The question is asking about the appropriate statistical test to use in a study that compares pain levels before and after a new pain management intervention. It requires an understanding of statistical methods to analyze and interpret research data.
Answer
A paired t-test.
The final answer is a paired t-test.
Answer for screen readers
The final answer is a paired t-test.
More Information
A paired t-test is suitable for comparing two related samples, such as pain levels before and after a treatment, to determine if there is a statistically significant difference.
Tips
A common mistake is using an independent t-test instead of a paired t-test. Remember that paired t-tests are for related samples, whereas independent t-tests are for unrelated samples.
Sources
- Hypothesis Testing, P Values, Confidence Intervals, and Significance - ncbi.nlm.nih.gov
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