A researcher might choose to use a counterbalanced design when
A) the interactive effect of different treatments is to be examined.
B) there is likely to be a carry-over effect of exposure to one treatment on a subsequent treatment.
C) there is a likelihood of pretest sensitization.
D) intact class groups are to be used.

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The Answer of A researcher might choose to use a counterbalanced design when
A) the interactive effect of different treatments is to be examined.
B) there is likely to be a carry-over effect of exposure to one treatment on a subsequent treatment.
C) there is a likelihood of pretest sensitization.
D) intact class groups are to be used.

A Researcher Might Choose to Use a Counterbalanced Design When