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Research papers

Representative quota sampling

The quota method is a statistical annoyance. In order to obtain a representative cross-section of the population using this procedure, interviewers are, of course, given very precise instructions as to how many interviews, they are to make in various...

Catalogue: ESOMAR Conference 1962: Research Into Certain Advertising Problems
Author: Gerhard Schmidtchen
June 15, 1962

Research papers

Representative quota sampling

The quota method is a statistical annoyance. In order to obtain a representative cross-section of the population using this procedure, interviewers are, of course, given very precise instructions as to how many interviews, they are to make in various...

Catalogue: ESOMAR Conference 1962: Research Into Certain Advertising Problems
Author: Gerhard Schmidtchen
June 15, 1962

Research papers

National value systems

Values are regarded as ordering principles for social action. This explains some of the scientific attention value problems have recently received. Is social change promoted by and linked to change in values? Are there both changeable and...

Catalogue: ESOMAR/WAPOR Seminar 1980: Opinion Polls
Author: Gerhard Schmidtchen
June 15, 1980

Research papers