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Research papers

Investigating the unsatisfied demand of the population

If the volume of the population's demand is defined as that quantity of a certain commodity which consumers intend buying in a certain period of time, we may infer that, effectively, the quantities of commodities bought may be smaller than the volume...

Catalogue: The European Marketing Research Review 1969
Authors: C. Dulliu, P. Rogoveanu, A. Vainer
August 1, 1969

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

Did we overlook something in sampling individuals?

For years now, something like a cold war has been waged between the protagonists of random sampling and those of quota sampling. In a way, it has been a war between mathematicians and practitioners of survey research.And as things go in such...

Catalogue: ESOMAR Conference 1962: Research Into Certain Advertising Problems
Author: Hans Sittenfeld
June 15, 1962