Analyzing Data from a Between-Subjects Factorial Experiment A main effect in a factorial experiment refers to the
A)change in the effect of one independent variable across levels of another.
B)significant variability associated with a single independent variable in a factorial experiment.
C)variability due to the combined action of two or more independent variables.
D)variability in a factorial experiment not due to the individual actions of each independent variable.

Question

Quizplus · Accepted Answer

A main effect in a factorial experiment refers to the significant variability associated with a single independent variable in the experiment. It is not affected by the levels of other independent variables.

Analyzing Data from a Between-Subjects Factorial Experiment a Main Effect