What is the main disadvantage of factorial designs?
A)They require an equal number of rows,columns,and treatment levels,which is sometimes problematic.
B)They do not allow the researcher to examine interactions of the external variables with each other or with the independent variable.
C)The researcher can control for only one external variable.
D)The number of treatment combinations increases multiplicatively with an increase in the number of variables or levels.

Question

Quizplus · Accepted Answer

The main disadvantage of factorial designs is that the number of treatment combinations increases multiplicatively with an increase in the number of variables or levels. This can lead to a large number of treatment combinations, making the study time-consuming and expensive.

What Is the Main Disadvantage of Factorial Designs