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The variability of audience measurement data and how to live with it

Date of publication: June 15, 1996

Catalogue: ARF/ESOMAR Worldwide Electronic And Broadcast Audience Research Symposium 1996

Authors: Tony Twyman, Steve Wilcox

Abstract:

The paper reviews the concept of sampling error applied to various methods of sampling and television panels in particular.Approaches are described for calculating sampling errors in relation to: Programme/Commercial Break Ratings Commercial Impacts/Average Hours of Viewing Channel Reach Channel Share Schedule Reach and Frequency Changes Over Time An approach to the use of sampling error is suggested given that audience measurement figures have to be used in making decisions even when the results lie within statistical confidence limits. Panel analyses which can throw light on the contribution of sampling error are also discussed. An awareness of broad levels of sampling error are essential to users and should play a part in designing research and fixing sample sizes.

Tony Twyman

Author

This is a long description of some author details.

Steve Wilcox

Author

This is a long description of some author details.

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Citation

Twyman and Wilcox (1996a, June 15). The variability of audience measurement data and how to live with it. ANA - ESOMAR. Retrieved June 23, 2025, from


https://ana.esomar.org/documents/the-variability-of-audience-measurement-data-and-how-to-live-with-it