This document provides an overview of consumer behaviour and the stages of the decision-making process. It explains the significance of mapping the path towards purchase and understanding consumer decision making for marketers. It also compares and contrasts the key differences in the decision-making process in the context of B2C and B2B, providing specific examples. Additionally, it evaluates different approaches to market research and methods used for understanding the decision-making process in both B2C and B2B contexts.