(Urgent, Marketing) What are the main types of consumer buying behavior?

Divided according to the degree of complexity of consumer buying behavior and the degree of difference between the products purchased: 1. Complex buying behavior. Complex buying behavior occurs when consumers are highly involved and understand the significant differences between the various brands, varieties, and specifications available.2. Disproportion-reducing buying behavior. Refers to consumers do not collect extensive product information, and not carefully select the brand, the purchase decision process is rapid and simple, but after the purchase of the product will think that they buy some defects or other similar products have more advantages, and then produce a sense of dissonance, doubt the correctness of the original purchasing decision. 3, the search for diversified purchasing behavior. Refers to consumers to buy products have a great deal of arbitrariness, and not in-depth collection of information and evaluation of comparisons on the decision to buy a particular brand, in the consumption of evaluation, but in the next purchase and conversion of other brands. 4, habitual purchasing behavior. Refers to consumers did not in-depth collection of information and evaluation of the brand, just accustomed to buy their own familiar brand, after the purchase may or may not evaluate the product.