This document discusses various theories of consumer motivation. It covers Maslow's hierarchy of needs, McClelland's learned needs theory, classical and operant conditioning, vicarious learning, opponent-process theory, optimum stimulation levels, the desire to maintain behavioral freedom, the motivation to avoid risk and attribute causality. It also discusses factors that influence risk perception and strategies to reduce risk. Theories of motivation provide insights into consumer goal-directed behaviors and how marketers can appeal to different motivations.