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Generally speaking, an integrated model of consumer decision process includes following parts: first, they find they need something to fulfill a kind of utility; then they may gather information through different ways and make evaluation of alternatives in order to make a wise choice; third, they narrow the alternatives down to one choice and make purchase decision and purchase act; finally, they have a post purchase evaluation which is showed by the degree of satisfaction. Just taking glasses as an example, we all know that a pair of glasses on an entity optical shop cost much. Some types, like rimless glasses, are even unaffordable to ordinary brand-winners, not to mention those famous brand name glasses. To them, glasses is become an article of luxury from a common medical tool. However, with an increase in the number of glasses wearers, this market is having a strong power to expand its size greatly. |
