An interaction effect can be defined as the effect ______.

A) of an independent variable within a single-factor research design
B) of one independent variable on the dependent variable changing at the different levels of another independent variable
C) of one independent variable at one of the levels of another independent variable
D) that does not occur between the independent variables and the dependent variables

Interaction Effect

In statistics, the effect on an outcome that varies depending on the levels of another variable, indicating that the effect of one variable depends on another.

Independent Variable

The variable in an experiment or study that is manipulated or classified by the researcher to observe its effect on the dependent variable.

Dependent Variable

In research, it's the outcome variable that is influenced by the independent variable.