Decision Models and Choice Processes The authors present several decision-making models, from rational economic models to behavioral models acknowledging bounded rationality and heuristics. Multi-attribute attitude models (e.g., Fishbein model) and compensatory vs. non-compensatory decision rules (e.g., conjunctive, lexicographic) explain how consumers evaluate attributes and make trade-offs. The book highlights the importance of information search—internal and external—and discusses the role of risk perception, involvement level, and expertise in shaping search effort and criteria.

This model is powerful because it treats consumption as a dynamic cycle, not a one-time event. For example, a consumer dissatisfied with a smartphone (output) will modify their search process (process) the next time, perhaps relying more on expert reviews than on brand advertising (input).

designed the 10th edition, in collaboration with Joseph Wisenblit , to explore the "why" behind consumer actions. The text bridges the gap between psychological theory and practical marketing applications. The primary focus is understanding consumer motivation, perception, learning, and the impact of cultural influences on buying decisions. The textbook is widely used for its:

The 10th edition of Consumer Behavior by Leon G. Schiffman and Leslie Lazar Kanuk remains a cornerstone of marketing literature. By providing a clear, structured framework that balances psychological depth with sociological context, it offers timeless tools for analyzing consumer minds. Whether applied to brick-and-mortar retail or the latest digital marketing trends, the principles outlined by Schiffman and Kanuk continue to guide effective market segmentation, positioning, and consumer relationship management.

Psychological needs learned in response to culture or environment, such as self-esteem, prestige, and affection (secondary needs). Personality and Self-Image

The Schiffman and Kanuk paradigm divides the study of consumers into four distinct yet interrelated pillars: The Consumer as an Individual

It provides strategies for implementing marketing research data to improve consumer targeting.