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Activity Number: 455
Type: Invited
Date/Time: Wednesday, August 1, 2007 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #310268
Title: Nonresponse Bias in Two Methods of Panel Recruitment
Author(s): Charles DiSogra*+ and Daniel Slotwiner and Sarah Clinton and Elisa Chan and Erlina Hendarwan
Companies: Knowledge Networks, Inc. and Knowledge Networks, Inc. and Knowledge Networks, Inc. and Knowledge Networks, Inc. and Knowledge Networks, Inc.
Address: 1350 Willow Road, Suite 102, Menlo Park, CA, 94025,
Keywords: Panel ; Non-response ; bias ; weighting

Knowledge Networks (KN) uses RDD sampling to recruit a national representative panel of 40,000+ members. Panelists participate in 3-4 surveys per month via Internet or WebTV (provided to non-Internet households). KN also conducts cross-sectional RDD surveys for some clients. One such survey offers an opportunity to join the KN panel at the end of a 20-minute interview about Yellow Pages use. This paper compares this post-interview recruiting to KN's usual method of RDD surveys done exclusively for recruiting. Several stages exist in the process of getting "survey-ready" paneled members, with attrition at each stage. This paper examines non-response at each stage for these two recruitment methods. Weighting adjustments are discussed for ameliorating non-response bias across several demographic dimensions to create a merged, nationally representative panel from both recruitment sources.

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Revised September, 2007