When evaluating research reports in health care, a popular tool is the Assessment of Multiple Systematic Reviews
Question:
a. One goal of the study was to compare the mean item scores of the five reviews. Set up the null and alternative hypotheses for this test.
b. Examine the data in the table and explain why a randomized block ANOVA is appropriate to apply.
c. The SAS output for a randomized block ANOVA of the data (with Review as treatments and Item as blocks) appears below. Interpret the p -values of the tests shown.
d. The SAS printout also reports the results of a Tukey multiple-comparison analysis of the five Review means. Which pairs of means are significantly different? Do these results agree with your conclusion in part c?
e. The experiment wise error rate used in the analysis in part d is .05. Interpret this value.
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