Nov. 7, 2012

A Comparison of Results from Surveys by the Pew Research Center and Google Consumer Surveys

As internet use grows– whether through a traditional computer, tablet, gaming device or cell phone – new techniques are being developed to conduct social research and measure people’s behavior and opinion while they are online. The Pew Research Center has been exploring these new techniques for measuring public opinion and critically evaluating how they compare […]

May. 15, 2012

Appendix: Details About the Database Matching

The database analysis in this report relied on two separate databases – a consumer database that matched landline numbers to addresses and provided information about the households, such as financial status, lifestyle interests, as well as some basic demographic information about the people in the household. The phone numbers and addresses were then matched to […]

May. 15, 2012

Section 2: Household Database Comparisons

One way to further understand how well the surveys performed is to compare survey respondents with those who did not respond to the survey, using household data from third-party sources. An attempt was made to match all responding and non-responding households to records in two large national databases so they could be compared on a […]

May. 15, 2012

Section 1: Survey Comparisons and Benchmarks

For the past few decades, telephone survey researchers have faced increasing difficulty contacting Americans and getting reluctant people to cooperate. Surveyors also face the challenge of adequately covering the U.S. population at a time of growing cell phone use. More than a third of households can be reached only on a cell phone, thus making […]

May. 15, 2012

Assessing the Representativeness of Public Opinion Surveys

For decades survey research has provided trusted data about political attitudes and voting behavior, the economy, health, education, demography and many other topics. But political and media surveys are facing significant challenges as a consequence of societal and technological changes. It has become increasingly difficult to contact potential respondents and to persuade them to […]

Mar. 6, 2009

Why Surveys of Muslim Americans Differ

May. 22, 2008

Research Roundup: Latest Findings on Cell Phones and Polling

Jul. 2, 2007

“Frequently Asked Questions” about Pew’s Muslim American Survey

May. 10, 2005

Methodology

Results for the main Political Typology Survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates International among a nationwide sample of 2,000 adults, 18 years of age or older, during the period Dec. 1-16, 2004. For results based on the total sample, one can say with 95% confidence that […]

Apr. 20, 2004

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.

Jan. 22, 2002

Methodology

Results for the survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 1201 adults, 18 years of age or older, during the period January 9-13, 2002. Based on the total sample, one can say with 95% confidence that the error attributable to sampling and […]

Nov. 16, 2000

Methodology

The survey results are based on telephone re-interviews conducted November 10-12, 2000 among 1,113 voters under the direction of Princeton Survey Research Associates. (“Voters” are those respondents who said they voted in the 2000 election.) This sample was selected from those identified as registered voters in two previous nationwide surveys of adults 18 years of […]

Nov. 14, 1995

About the Typology

The Times Mirror Center in 1987 developed a unique voter classification system based on three major elements — party affiliation, political participation, and personal values and attitudes — and using the statistical technique called “cluster analysis.” The new typology in 1995 is built on the same foundation, with minor modifications. Nine values and attitudes were […]