When the effects of two variables cannot be separated, ____ has been said to occur.
A) confounding
B) random variability
C) an interaction
D) a main effect

Question

Quizplus · Accepted Answer

Confounding occurs when the effects of two variables cannot be separated and it becomes difficult to determine the true relationship between an independent variable and a dependent variable. Confounding can occur when there is an outside variable that affects the dependent variable and is related to the independent variable. This outside variable can create a false relationship between the independent variable and the dependent variable, which can make it difficult to determine what is the true cause of the change in the dependent variable.

When the Effects of Two Variables Cannot Be Separated, ____