Respondent authenticity: a biometrical approach to authenticate panellists

Christoph Irmer and Bernd Wachter

This paper, by Christoph Irmer, ODC Services and Bernd Wachter, Psyma Group, discusses the problem of checking whether a respondent is really the person who was invited by email to participate in a survey.

Respondent Authenticity: a biometrical approach to authenticate panellists

Christoph IrmerODC Services GmbH, Germany

Bernd WachterPsyma Group AG, Germany

BACKGROUND/PRECISE DEFINITION OF THE PROBLEM

It has long been an unsolved problem of online market research conducted by means of Access Panel sample surveys, that there has been no possibility to verify whether a participant in a survey is really the same who was requested to take part in the survey by means of an e-mail message addressed to him.

B2B target groups, for example IT decision makers or doctors, are conceivable as examples. There has for a long time...

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