This document discusses consumer behavior and the factors that influence it. It defines consumer behavior as how individuals, groups, and organizations select, purchase, use, and dispose of goods and services. The three main factors that influence consumer behavior are cultural factors, social factors, and personal factors. Cultural factors include culture and subculture. Social factors include reference groups, cliques, family, and roles and status. Personal factors include age and life cycle stage, occupation, personality and self-concept, and lifestyle and values.