Which of the Following Statements Regarding Factorial Designs Is FALSE

Multiple Choice

Which of the following statements regarding factorial designs is FALSE? A factorial design

A) may be needed to study the interaction of factors.
B) may save time and effort since all the observations are employed to study the effects of each of the factors.
C) may produce conclusions with broader applications since each factor can be studied with varying combinations of the other factors.
D) may be used in conjunction with a randomized block design.
E) they are all true.