Explanation:

Consumer Decision Making refers to the process under which consumers go through in deciding what to purchase, including problem recognition, information searching, evaluation of alternatives, making the decision and post-purchase evaluation.
Consumers decisions are the results of their life-style, which in turn is influenced by the marketing activities, culture, sub-culture, values, social status, demographics, family type, emotions, personality traits, motives, perception, and learning. Information search and then processing it, links these influences to consumers.