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Research papers

The effects of panel recruitment and management on research results

This paper provides outcomes from an empirical study across 19 online panels that has been conducted during April and May of 2006.The underlying methodology and the outcomes of the study will be presented. However, more important are the learnings...

Catalogue: Panel Research 2006
Authors: Pieter Willems, Robert van Ossenbruggen, Ted Vonk
Company: KANTAR TNS Malaysia
October 8, 2006

Research papers

Two modalities, one answer?

This paper introduces a new design for the study of Internet vs. other data collection modalities. With this so-called crossover design it is possible, for the first time, to separate modality from population effects.In this design, respondents in...

Catalogue: ESOMAR Technovate Conference 2003
Authors: Pieter Willems, Paul Oosterveld
January 26, 2003

Research papers

Innovations in click stream analysis

Clicksteps is a new approach to the analysis of click streams, i.e., the sequences of page views of individual visitors to a site. It is a technique that focuses on the entire sequences, in contrast to the single page oriented focus of current weblog...

Catalogue: ESOMAR Net Effects 5 2002
Authors: Pieter Willems, Paul Oosterveld
February 3, 2002