JSM 2005 Online Program

Abstract #304798

This is the preliminary program for the 2005 Joint Statistical Meetings in Minneapolis, Minnesota. Currently included in this program is the "technical" program, schedule of invited, topic contributed, regular contributed and poster sessions; Continuing Education courses (August 7-10, 2005); and Committee and Business Meetings. This on-line program will be updated frequently to reflect the most current revisions.

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Activity Number:	365
Type:	Contributed
Date/Time:	Wednesday, August 10, 2005 : 8:30 AM to 10:20 AM
Sponsor:	Section on Survey Research Methods
Abstract - #304798
Title:	Assessing Panel Bias in the Knowledge Networks Panel
Author(s):	Vicki Pineau*+
Companies:	Knowledge Networks, Inc.
Address:	501 Breakwater Drive, Redwood City, CA, 94065, United States
Keywords:	Panel Bias ; Time-in-sample Bias ; Panel Tenure
Abstract:	A number of factors associated with respondents' time on a panel may produce changes in survey measures over time and thereby complicate analyses. The impact of these factors has been described as a history effect, secular effect, maturation effect, panel bias, or time-in-sample bias. These factors include the reactivity of respondents to survey measures, changes in the performance of the respondent role, the "conditioning" effect of multiple administrations of a survey or similar surveys, and the aging of the panel. Changes in survey measures due to such effects present a danger for estimation of survey outcomes. In past case study evaluations into panel effects in Knowledge Networks (KN) panel data, we did not find a serious undercurrent of negative panel effects. We have conducted analyses of panel effects using more recent data that supports the earlier finding.

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