Math Arguments
Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.
Controlling for a Variable
"Controlling for a variable" is the process of matching your treatment group and your control group and allowing only one variable to change so you can ascribe any changes in outcome to that difference.
In a Case-Control study, you are looking to find two existing groups that differ in the same way.
With that in mind, discuss this study.
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Source:
T.R.Milne
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