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Activity Number: 88
Type: Contributed
Date/Time: Sunday, July 29, 2012 : 4:00 PM to 5:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #304676
Title: A Study Comparing CHAID Analysis to Traditional Weighting
Author(s): Betty Jackson*+ and Randall J. Parmer and Stella K. Kim and Jared Coopersmith
Companies: U.S. Census Bureau and U.S. Census Bureau and U.S. Census Bureau and National Center for Education Statistics
Address: 7055 Gentle Shade Rd, Columbia, MD, 21046, United States
Keywords: CHAID ; Weighting ; Nonresponse

In the past, the Census Bureau has constructed noninterview adjustment cells by using deliberately chosen characteristics of the frame to define the cells. For the Beginning Teacher Longitudinal Survey (BTLS), the sponsor, the National Center for Education Statistics (NCES), used CHAID (Chi-Squared Automatic Interaction Detector) Analysis to develop the cells. This paper will focus on weighting one cycle of BTLS first using the CHAID analysis and consider the impact on bias analysis. That same cycle of BTLS was then run through the traditional weighting process and again considered the impact on bias analysis. A comparison of the two methods will be used to determine which of the two has a lower variance and a smaller bias.

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