Consumer behaviours course conceptualizes variances that determine and affect consumer’s decision-making process and consumer behaviors, consumer behavior models, explanatory and descriptive models, and addresses the main objective and evolution of consumer behaviours from past to present in the transition from modernism to postmodernism. The place of consumer behaviour in marketing in consumption society, symbolic consumption and hedonism in terms of interdisciplinary approaches to consumer behaviors, the definition of new consumer according to consumer behavior and marketing strategy relationship in businesses, experience economy, customer experience management, customer satisfaction, customer loyalty, new trends of consumer researches in consumer century and customer capital management are examined.