All of the Following Statements About Research into Family Decision

All of the following statements about research into family decision making are true EXCEPT:

A) that differences in product class and their impact upon decisions must be considered.
B) that the structure of husband/wife roles must be considered.
C) that the determinants of joint decision making must be analyzed.
D) that the role of children in decision making is not important.
E) that the type of media that would appeal to target audience must be evaluated.