An Advertising Agency Creates Two Television Commercials for a Line

An advertising agency creates two television commercials for a line of kitchen and laundry appliances.Commercial A emphasizes the sleek styling of the appliances,whereas Commercial B stresses the reliability and energy efficiency of the machines.Should the effectiveness of the two commercials vary as a function of viewers' need for cognition?

A) Commercials A and B should be equally effective,regardless of the viewers' need for cognition.
B) Commercial A should be more effective than Commercial B,regardless of the viewers' need for cognition.
C) Commercial A should be more effective than Commercial B for viewers with low need for cognition,whereas Commercial B should be more effective than Commercial A for viewers with high need for cognition.
D) Commercial B should be more effective than Commercial A for viewers with low need for cognition,whereas Commercial A should be more effective than Commercial B for viewers with high need for cognition.