Statistical Analysis of a Randomized Clinical Trial
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1. The researchers analyzed the data they collected as though it were at what level of measurement?
a. Nominal
b. Ordinal
c. Interval/ratio
d. Experimental
2. What was the mean post-test empowerment score for the control group?
3. Compare the mean baseline and post-test depression scores of the experimental group. Was this an expected finding? Provide a rationale for your answer.
4. Compare the mean baseline and post-test depression scores of the control group. Do these scores strengthen or weaken the validity of the research results? Provide a rationale for your answer.
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Solution Summary
This solution discusses the results of the statistical analysis of a randomized clinical trial.
Solution Preview
1. Choose C. Reason: It is only possible to calculate the mean and standard deviation of a dataset when the data was collected on an interval scale or ratio scale.
2. From the table in the attachment, the mean posttest empowerment score for the control group is 97.12.
3. First, from the table in the attachment, ...
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