Roger Was Really Angry When Coca- Cola Attempted to Switch

Roger was really angry when Coca- Cola attempted to switch from its older formula to New Coke. He wrote letters to Coca- Cola, talked to friends, called the local bottler, attempted to hoard "old Coke," and complained to the local grocery store manager. In this example, which of the following kinds of attitude involvement (based on degree of commitment) would be most closely associated with Roger and his attitudes?

A) identification
B) compliance
C) internalization
D) conformity
E) information acquisition