This document provides a comprehensive study on the consumer decision making process. It explores the factors that influence consumer decisions, such as level of involvement, time taken, price, and information analysis. The document also discusses different purchasing methods and the stages involved in the decision making process, including need recognition, information search, evaluation of alternatives, purchase decision, and post purchase decision. Additionally, it examines the impact of Maslow's hierarchy of needs on consumer behavior. The content is relevant for marketing and consumer behavior courses.