The four type of consumer buying behavior includes the following:
a. Routine Response/Programmed Behavior:
buying low involvement frequently purchased low cost items; need very little search and decision effort; purchased almost automatically. Examples include soft drinks, snack foods, milk etc.
b. Limited Decision Making: buying product occasionally. When you need to obtain information about unfamiliar brand in a familiar product category, perhaps. Requires a moderate amount of time for information gathering. Examples include Clothes--know product class but not the brand.
c. Extensive Decision: Making/Complex high involvement, unfamiliar, expensive and/or infrequently bought products. High degree of economic/performance/psychological risk. Examples include cars, homes, computers, education. Spend a lot of time seeking information and deciding.
Information from the companies MM; friends and relatives, store personnel etc. Go through all six stages of the buying process.
d. Impulse buying: no conscious planning.