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Why do we control the variables we are not investigating
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Why do we control the variables we are not investigating

User Dmitrij Kuba
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I believe that it is if the control works as expected, it means that has run correctly, and the results are due to the effect of the variable being tested.
User Yucel Bayram
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I believe it is because it could lead to internal validity messing up the whole experiment
User Muca
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