If a researcher examines one independent variable, she would be using a ______ research design; if she was examining the possible combinations of two or more independent variables, she would be using a ______ research design.
A) factorial; single-factor
B) single-factor; factorial
C) factorial; interaction effect
D) single-factor; interaction effect

Question

Quizplus · Accepted Answer

A single independent variable is examined in a single-factor design, while the examination of multiple independent variables is known as a factorial design. Therefore, the researcher examining one independent variable would be using a single-factor design, while the examination of possible combinations of two or more independent variables would be using a factorial design.

If a Researcher Examines One Independent Variable, She Would Be