define respondto at least one of your colleagues’ postings in one or more of the following ways?

It is equally as important to determine which type of variable is most appropriate, a continuous versus a categorical. Earlier in the course, Dr. Bruce Barton discussed reasons why it is occasionally advantageous to treat a continuous variable as a categorical measure, although doing so changes the significance testing method. To prepare for this Discussion, read the Razmjou article, Cross-sectional Analysis of Baseline Differences of Candidates for Rotator Cuff Surgery from this weeks Learning Resources. By Day 4, post a comprehensive response to the following: Table 1 compares a number of demographic and baseline characteristics for males and females in the study sample. The variable, BMI (Body Mass Index) is a continuous measure; however, the authors chose to treat it as a categorical variable by establishing three ordinal classifications: normal, overweight, and obese. Why do you think this was done? What are the benefits to using categorial instead of numerical data? How does changing from a numerical to a categorical variable change the statistical tools used to analyze the data? Do you think this change was appropriate? Why or why not? Read a selection of your colleagues’ postings. By Day 6, respondto at least one of your colleagues’ postings in one or more of the following ways: Ask a probing question. Expand on the colleague’s posting with additional insight and resources. Offer polite disagreement or critique, supported with evidence. In addition, you may also respond as follows: Offer and support an opinion. Validate an idea with your own experience. Make a suggestion or comment that guides or facilitates the discussion. Retuarn to this Discussion in a few days to read the responses to your initial posting. Note what you have learned and/or any insights you have gained as a result of your colleagues’ comments. You are not required to post these final insights.


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