The document discusses various models of consumer attitude formation and change. It describes the tri-component attitude model which includes cognitive, affective, and conative components. The cognitive component represents beliefs, the affective represents feelings/emotions, and the conative represents intentions or likelihood of behavior. Multi-attribute attitude models portray attitudes as a function of perceptions and assessments of key attributes. The elaboration likelihood model describes two routes to persuasion: central and peripheral. Behavior can precede or follow attitude formation according to cognitive dissonance theory and attribution theory.