Robin, a 28-year old fashion designer, is very finicky about the brands that she consumes as a customer. She believes in buying brands that she has previously used When Robin walks into Brown and Grey, a super market, she is most likely to engage in ___ to buy toothpaste and mouthwash.
a. cognitive dissonance
b. an evaluation of alternatives
c. an internal information search
d. impulse buying
e. business-to-business marketing