Multiple independent variables indicate the potential for a(n) _____, which is not possible when there is only one independent variable.
A) testing effect
B) main effect hypothesis
C) interaction effect hypothesis
D) carryover hypothesis

Question

Quizplus · Accepted Answer

When there are multiple independent variables, researchers can investigate how the variables interact with each other to affect the dependent variable, leading to the possibility of an interaction effect hypothesis. This is not possible with only one independent variable.

Multiple Independent Variables Indicate the Potential for A(n) _____, Which