Consumer decision process depend on internal factor and external factor. The first one is Internal factor such as learning , attitudes , motivation and life style. Attitudes and perception are important role to changing behavior of consumers. Attitudes of consumers will vary depending on the price and ease of access of the brand. แบรนด์ไหนที่สามารถทำให้ผู้บริโภคเข้าถึงแบรนด์ได้ก่อนย่อมมีโอกาสมากกว่าแบรนด์อื่นๆที่ไม่สามารถเข้าถึงผู้บริโภคได้ Because people will recognize the brand as well and and create opportunities for the brand strategy. For example In rural and urban areas , the brand will be able to access more than in local area.
The second one is external factor such as culture , reference groups , social classes and media , etc. Culture is determines the behavior of consumer because culture represents influences that are imposed on the consumer by other individuals such as knowledge, belief, art, morals, custom, and any other capabilities and habits acquired by man person as a member of society. The culture of each with unique characteristics that vary according to the environment. เช่น เวียดนามยังคงใช้เทคนิคแบบดั้งเดิมเช่นการเคี้ยวใบแห้งไอริสมากกว่าการใช้ยาสีฟัน ทำให้บางส่วนของเวียดนามไม่ใช้ยาสีฟัน
Media is another important factor. In nowadays technology has come a long way. Advertising is also useful and the huge influence on the consumers. Because consumers have many styles and different from the past. We need to use the appropriate advertising. Whether by radio , TV , internet or social network. All of media is important for consumer to access and remember the brand as well.
However, to make consumer purchase decisions. First, we need to make people recognize our brand by create brand value and brand image. Then, when consumers know our brand they will have a brand loyalty. No matter what, consumer purchase decision making depends on the availability of data and evaluation of alternatives as well.