Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: To eliminate the impact of an extraneous independent variable, the researcher can choose participants who are homogeneous on that independent variable.

Reason R : 'Matching' is one of the method to control extraneous variance.

In the light of the above statements. choose the most appropriate answer from the options given below:

1. ABoth A and B are correct and R is the correct explanation of A
2. BBoth A and R are correct but R is not the correct explanation of A
3. CA is correct but R is not correct
4. DA is not correct but R is correct

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. Both A and R are correct but R is not the correct explanation of A

Explanation

Homogeneous selection eliminates an extraneous variable, and matching is another control method, but matching does not explain A.