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Panel Research 2007

2007 events

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Cint is a software company providing CPX, the open marketplace for accessing respondents through online panels across the globe. Access directly to more than 150 panels owned by market research companies and media companies. More...

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Good quality, good business

Do rotten apples spoil the whole barrel?
Exploring quality issues in panel data

Lex van Meurs, Liesbeth Nekkers & Robert Ossenbrugg

Abstract

Based on approximately 100 real life online questionnaires the following findings will be presented:

What are the most effective indicators of low quality respondents?
Effects on reported key variables after removal of low quality respondents
Profiling low quality respondents: who are the rotten apples? Will respresentativeness be undermined by removal?
Profiling low quality questionnaires: what type of research invokes low quality response? Recommendations for improvement of questionnaires to increase data integrity.

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Lex van Meurs

Intomart GfK, Netherlands

Lex van Meurs (1962) is Research Manager at Intomart GfK (Hilversum, The Netherlands) where he is responsible for the methodology and development of media research such as television audience measurement, effectiveness studies, the online television appreciation panel and outdoor advertising. In 1999, van Meurs was awarded a Ph.D. by the University of Amsterdam where he is currently a part-time Associate Professor in Communication Science. His dissertation dealt with switching behaviour during commercial breaks.

Liesbeth Nekkers

Intomart GfK, Netherlands

Liesbeth Nekkers (1973) is Project Manager at Intomart GfK (Hilversum, The Netherlands), where she is responsible for research methodology, NOM (specific issue readership) and customer loyalty research.

She is specialised in research methodology and statistical analysis. She has a master’s degree in Psychology and research methodology (University of Amsterdam).

Robert van Ossenbruggen

ProCression, Netherlands

Robert van Ossenbruggen (1973) is an independent methodologist consulting and training marketing research organizations. Van Ossenbruggen has been one of the initiators of the Dutch NOPVO study, an industry study among 19 online access panels in the Netherlands (presented at ESOMAR Panel Congress in Barcelona, 2006).