How do people measure, or know or how goods will be accepted? Consumer psychology is how people relate to the goods and services they use in their daily lives. Consumer psychology studies people and by doing so provides what factors are important in the decision making of purchases and the value of services. By having this knowledge of consumer’s organizations, businesses and retailers improve their marketing. First of all there needs to be an understanding of why the consumer buys in the first place. Is it for a need or a want or is it to fulfill something? The buying process can be very basic or very complex and have many influences from external to internal reasoning. There are many things that factor in to understanding the entire process and the best way to understand them is through consumer psychology. Decisions to buy can be emotional. Emotions can lead a person to shop. Feelings are people’s primary way to make judgments and decision making. A woman can be upset at her husband, need a break from the kids, or she could be happy and want to spend impulsively.