The validity and efficiency of data collection using screen interviews compared with telephone research

Date of publication: September 1, 1987

Abstract:

This paper describes the results of a methodological test conducted by NOW Research, on behalf of British Telecom - PRESTEL. The purpose of the research was to assess the validity and efficiency of collecting market research data through the medium of a television screen using PRESTEL, British Telecom's public viewdata service, compared with central location telephone interviewing.

David Baker

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Cliff Holmes

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