2004 Methodology Reports

04.20.04 Methodology Report Survey Report

Polls Face Growing Resistance, But Still Representative

Even as response rates to telephone surveys continue to decline, this study finds that carefully conducted polls continue to obtain representative samples of the public and provide accurate data about the American public.

04.20.04 Methodology Report

Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey

Public Opinion Quarterly 70: 759-779 (2006)
This article provides more extensive analysis of data from the study reported in Polls Face Growing Resistance, But Still Representative.