JSM 2004 - Toronto

Abstract #301822

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Activity Number: 387
Type: Contributed
Date/Time: Wednesday, August 11, 2004 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #301822
Title: Triad Sampling in Household Surveys
Author(s): Jeremy Aldworth*+ and James R. Chromy
Companies: RTI International and RTI International
Address: 3040 Cornwallis Rd., RTP, NC, 27709,
Keywords: Brewer's method ; Sampford's method ; household rosters ; person selection ; unequal probability sampling
Abstract:

The motivation for selecting three persons from a dwelling unit (DU) derives from an interest in studying the behavioral relationships among certain triads, (e.g., two parents and a child, a parent and two children, etc). Computer-assisted DU screening provides the mechanism for targeted sampling of individuals, pairs, and even triads within a DU. Chromy and Penne (2002) showed how a modification of Brewer's (1963, 1974) method for samples of size two was used to select samples of 0, 1, or 2 persons from eligible Dus. They also developed a second adaptation to control the number of pairs selected. Chromy and Penne's modification of Brewer's method and their adaptation to control the number of persons selected from a DU is extended to the case of sampling triads within DUs. Some empirical data on household roster composition, and response rates based on the number of persons selected, are presented from the National Survey on Drug Use and Health (NSDUH). Finally, the results of some simulation of the sample selection and response process are presented as a means of evaluating alternatives.

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