The Howard Sheth Model is an approach for analyzing the combined impact of the social, psychological and marketing factors on the buying behaviour or preference of the consumers and the industrial buyers into a logical order of information processing. Consumer Behavior 1. Howard Sheth Model 2. Extensive problem solving 3. Limited problem solving 4. Routinized response behavior 5. Inputs 6. Perceptual construct 7. Learning construct 8. Consumer Usual Buying Behavior 9. Dispose