A Dutch association of market researchers was established in May 1963. On 15th October 1963 the first meeting devoted to market research was organized in Scheveningen. Some 400 people took part representing a large number of Dutch industries, governmental institutions, research and advertising agencies. By the end of 1963 the association numbered about 120 members. Several working parties have been established, each of them devoting itself to some particular problems, such as meetings, education, techniques, international relations, etc.
Based upon our good experiences with the use of a panel, we wondered whether it would be possible to use this same panel systematically for psychological research. From Mr. Koponen's literature we understood that he has achieved quite a lot in this field. Furthermore, it was known to us that large research-agencies, specialised in psychological research, are also frequently using panels. This, however, is generally done on a more limited scale and by way of verbal interviewing.
Based upon our good experiences with the use of a panel, we wondered whether it would be possible to use this same panel systematically for psychological research. From Mr. Koponen's literature we understood that he has achieved quite a lot in this field. Furthermore, it was known to us that large research-agencies, specialised in psychological research, are also frequently using panels. This, however, is generally done on a more limited scale and by way of verbal interviewing.