Studies with one independent variable can show:
A)a difference in differences.
B)an interaction effect.
C)a simple difference.
D)a factorial effect.

Question

Quizplus · Accepted Answer

Studies with one independent variable can only show a simple difference between groups, conditions, or levels of the independent variable. Interaction effects and factorial effects require two or more independent variables. A difference in differences is not a commonly used statistical term in the context of one independent variable.

Studies with One Independent Variable Can Show