A "control" variable is used to
A) test the relationship between two variables of interest.
B) reduce the likelihood of misinterpreting a spurious relationship as if it were causal.
C) both a and b
D) neither a nor b

Question

Quizplus · Accepted Answer

A control variable is used to test the relationship between two variables of interest while reducing the likelihood of misinterpreting a spurious relationship as if it were causal. Therefore, both option a and b are correct.

A "Control" Variable Is Used to