JSM 2005 Online Program

Abstract #303950

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:	368
Type:	Contributed
Date/Time:	Wednesday, August 10, 2005 : 8:30 AM to 10:20 AM
Sponsor:	Section on Statistics and Marketing
Abstract - #303950
Title:	Evaluating Data Collection Method Effects via Demographic Matching
Author(s):	Robert Mezera*+ and Shon Magnan
Companies:	GfK Custom Research, Inc. and GfK Custom Research, Inc.
Address:	8401 Golden Valley Rd, Minneapolis, MN, 55427, United States
Keywords:	Method effects ; attitudinal research ; propensity scores ; demographic matching
Abstract:	Adapting to new ways of doing research is a challenge to many in the research industry. One challenge many face is better understanding what happens when you move a study online that has traditionally been collected via phone interviews. Past research suggests phone and nternet data are not directly comparable. However, understanding why the data is not comparable is less well understood. A recent test offers insight into data consistency between the two methodologies. Data were collected side-by-side via 1,000 telephone interviews and 1,000 online panel responses. Initial data comparisons suggested the data significantly differed demographically and attitudinally. To determine if the attitudinal differences could be explained by the demographic differences, we used the approach outlined by Rubin for analyzing treatment effects from observational data.

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