EN
The e-client has assumed unprecedented power during the latter years. This is a result of commercial usage of Internet. The article provides useful knowledge in off- and on-line marketing research. The basic intent remains to familiarize readers with a variety of popular techniques used in the marketing research process. In addition, the second part of article allows for better understanding the basic concept of Adoptive Conjoint Analysis. The text tries to develop a sense of purpose and caution in planning and carrying out studies designed to generate marketing information.