When a consumer buys a product, it is not an act but a process. There are five steps in the purchase decision process: problem recognition, information search, alternative evaluation, purchase decision, and postpurchase behavior.
Consumers evaluate alternatives on the basis of attributes. Identifying which attributes are most important to consumers, along with understanding consumer beliefs about how a brand performs on those attributes, can make the difference between successful and unsuccessful products.
Consumer involvement with what is bought affects whether the purchase decision process involves routine, limited, or extended problem solving. Situational influences also affect the process.
Perception is important to marketers because of the selectivity of what a consumer sees or hears, comprehends, and retains.
Much of the behavior that consumers exhibit is learned. Consumers learn from repeated experience and reasoning. Brand loyalty is a result of learning.
Attitudes are learned predispositions to respond to an object or class of objects in a consistently favorable or unfavorable way. Attitudes are based on a person's values and beliefs concerning the attributes of products or services.
Personal influence takes two forms: opinion leadership and word-of-mouth activity. A specific type of personal influence exists in the form of reference groups.
Family influences on consumer behavior result from two sources: family life cycle and decision making within the household.
Within the United States there are subcultures that affect a consumer's values and behavior. Marketers must be sensitive to these influences when developing a marketing mix.