There are several processes, the most current models of which see the process as cognitively oriented. That is, they see the customer as forming judgments largely on a conscious an rational basis.
Some basic concepts will help us understand consumer evaluation process: First, the consumer is trying to satisfy a need. Second, the consumer is looking for certain benefits from the product solution. Third, the consumer sees each product as a bundle of attributes with varying abilities for delivering the benefits sought to satisfy this need.