Laurie Michaels Just Bought a Cellular Telephone for Her Car

Laurie Michaels just bought a cellular telephone for her car after spending several weeks considering all the possibilities. She likes the new phone, but is still wondering if another brand at a slightly higher price would have been better. This is an example of:

A) the relationship between drives, cues, and reinforcement.
B) dissonance.
C) reference group influence.
D) stimulus-response reaction.
E) routinized response behavior.