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Will holding a variable constant across treatments gurantees that the variable cannot become a confounding variable?...

Will holding a variable constant across treatments gurantees that the variable cannot become a confounding variable? Yes or no?

Matching a variable across treatments guarantees that the variable cannot become a confounding variable? Yes or no?

Social-Sciences   Psychology   
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Answer #1

Will holding a variable constant across treatments guarantees that the variable cannot become a confounding variable? Yes or no?

No. Holding a variable constant only eliminates the possibility that the variable will be substantially different from one group to another. It does not necessarily mean that it will not confound the relationship between the independent variable and dependent variable.

Matching a variable across treatments guarantees that the variable cannot become a confounding variable? Yes or no?

No. Matching can guarantee that participant characteristics do not create differences in the results of different treatment conditions. However, many other variables can confound the results of the study.

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