This document discusses consumer behavior in retail. It defines consumer behavior as how individuals select, purchase, use, and dispose of goods and services to satisfy needs and wants. Understanding consumer behavior allows marketers to determine which products are needed or obsolete. The document then examines customer purchase patterns like place, product, time and method of purchase. It outlines types of consumer behavior like extended decision making, habitual purchases, and variety seeking. It also maps the consumer purchase process of need recognition, information search, alternative evaluation, purchase, and post-purchase behavior. Finally, it analyzes purchase situations like contemplated versus impulse purchases.