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Give an example of a variable that could confound

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Reference no: EM132232551

At a school there are two different math classes for children of the same age. The two classes have different teachers. The school principal is interested in gauging the effectiveness of two different teaching methods and asks each teacher to try one of the methods. At the end of the semester both classes are given the same test and the results are compared. In this experiment, what is the treatment variable? Give an example of a variable that could confound the results.

Reference no: EM132232551

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