JSM 2005 - Toronto

Abstract #304818

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 478
Type: Topic Contributed
Date/Time: Thursday, August 11, 2005 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #304818
Title: Modeling and Polishing of Nonresponse Propensity
Author(s): Hongsheng Hao*+ and David R. Judkins
Companies: Westat and Westat
Address: 1650 Research Blvd, RE 448, Rockville, MD, 20850,
Keywords: CHAID ; Logistic Regression ; Raking
Abstract:

Two methods for modeling of nonresponse propensity in longitudinal studies are compared in terms of the resulting preservation of marginal baseline distributions among followup respondents and in terms of the relative variance of the weights. These methods are tree-based automatic interaction detection (CHAID) and logistic regression. Additionally, it is demonstrated that sample-based raking of the resulting nonresponse-adjusted weights to baseline distributions can improve face validity with fairly neutral effects on variances for followup cross-sectional estimates.

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