Survey of Knowledgeable Persons or Experience Survey:

Experience survey means the survey of people who have had practical experience with the problem to be studied. These individual can be top executives sales managers executives, wholesalers and retailers possessing valuable knowledge and information about the problem environment.

Various techniques have been developed to aid in collecting exploratory data from individual they make up what is usually called qualitative research . when applied to consumers such research is generally amine at finding the thoughts feelings and attitudes that influence consumers behaviour. The techniques involve interviews with individuals and groups. Individual interviews may be depth interviews "( often called one on ones ) or projective techniques by which respondents are asked to project themselves into a particular situation. Group interviews have come to be called focus group interviews.