This week provides an overview of the importance and use of correlation and regression statistics. These particular test statistics are important when we want to understand the relationship between two variables and/or how one variable influences another variable. More specifically, in correlation, we have two variables that are related to each other. In regression, we use an explanatory variable and a response variable. To prepare for this Discussion, review the Learning Resources for this week. By Day 4, a comprehensive response to the following: Provide a specific circumstance when a researcher would use regression statistics and when they would use correlation statistics. (Circumstance may be illustrative and do not have to be sourced examples). Identify and explain which test statistic you think provides more valuable information in clinical research trials. Read a selection of your colleagues’ postings. By Day 6, respond to 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. Return 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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