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Abstract Details

Activity Number: 449
Type: Topic Contributed
Date/Time: Wednesday, August 1, 2012 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #304067
Title: Improvements for Dual-Frame RDD Sampling and Weighting Methodology
Author(s): Mansour Fahimi*+
Companies: Marketing Systems Group
Address: Marketing Systems Group , Ft. Washington, PA, 19034, USA
Keywords: RDD ; Optimal Allocation ; Dual-frame ; Poststratification

Dual-frame RDD sampling methodology, whereby both landline and cellular telephone numbers are mixed, was devised to improve coverage of the traditional landline RDD samples. Current practice of this methodology, however, is subject to inconsistencies and technical inefficiencies. Due to unavailability of current counts of cell-only households, researchers rely on outdated estimates to determine the sample mixture. This becomes a more pronounced problem for county-level RDD studies because even outdated counts of cell-only household are not available for counties. These create inconsistencies and inefficiencies for both sample selection and weighting applications. The authors will introduce an innovative technique for obtaining counts of cell-only households for all Census geographic domains down to the county level. This will enable researcher determine the optimal composition of the cellular and landline sample components for dual-frame RDD samples, as well as provide the needed population counts for proper construction of survey weights. Moreover, the employed methodology will provide fresh counts for each county on quarterly basis.

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