A Research Firm Was Using Fishbein's Model to Measure Attitudes

Multiple Choice

A research firm was using Fishbein's model to measure attitudes, but found that the predictions of the model were insufficient to explain the behaviour of its client's customers. The firm decided to try the extended Fishbein model; what did they need to add to their original research?

A) the age and income of the average customer
B) the social class and the income of the average customer
C) an attitude-tracking program
D) the influence of an individual's attitude toward the act of buying