Pew Research CenterNovember 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 […]

Pew Research CenterAugust 3, 2012

Party Affiliation and Election Polls

In every campaign cycle, pollwatchers pay close attention to the details of every election survey. And well they should. But focusing on the partisan balance of surveys is, in almost every circumstance, the wrong place to look. The latest Pew Research Center survey conducted July 16-26 among 1,956 registered voters nationwide found 51% supporting Barack […]

Pew Research CenterNovember 22, 2010

The Growing Gap between Landline and Dual Frame Election Polls

Pew Research CenterNovember 22, 2010

The Growing Gap between Landline and Dual Frame Election Polls; Republican Vote Share Bigger in Landline-Only Surveys

A new analysis of Pew Research Center pre-election surveys conducted this year finds that support for Republican candidates was significantly higher in samples based only on landlines than in dual frame samples that combined landline and cell phone interviews. The difference in the margin among likely voters this year is about twice as large as in 2008.

Pew Research CenterMay 20, 2010

Assessing the Cell Phone Challenge

Pew Research CenterOctober 14, 2009

But What Do the Polls Show?

Pew Research CenterJuly 9, 2009

Accurately Locating Where Wireless Respondents Live Requires More Than A Phone Number

Pew Research CenterJune 25, 2009

Perils of Polling in Election ’08

Pew Research CenterDecember 18, 2008

Calling Cell Phones In ’08 Pre-Election Polls

Pew Research CenterOctober 17, 2008

Poll Power

Pew Research CenterSeptember 23, 2008

Cell Phones and the 2008 Vote: An Update

Pew Research CenterJuly 17, 2008

Cell Phones and the 2008 Vote: An Update

Pew Research CenterMay 22, 2008

Research Roundup: Latest Findings on Cell Phones and Polling

Pew Research CenterJanuary 31, 2008

The Impact Of “Cell-Onlys” On Public Opinion Polling

Summary of Findings The proportion of Americans who rely solely on a cell phone for their telephone service continues to grow, as does the share who still have a landline phone but do most of their calling on their cell phone. With these changes, there is an increased concern that polls conducted only on landline […]

Pew Research CenterJanuary 10, 2008

Getting It Wrong

The failure of the New Hampshire pre-election surveys to mirror the outcome of the Democratic race is one of the most significant miscues in modern polling history. All the published polls, including those that surveyed through Monday, had Sen. Barack Obama comfortably ahead with an average margin of more than 8 percent. These same polls […]

Pew Research CenterJune 20, 2007

How Serious Is Polling’s Cell-Only Problem?

According to government statistics released last month, nearly 13% of U.S. households cannot now be reached by the typical telephone survey because they have only a cell phone and no landline telephone, and the share of Americans who are cell-only is increasing rapidly. To monitor this problem, the Pew Research Center conducted four studies in […]

Pew Research CenterJune 20, 2007

What’s Missing from National RDD Surveys? The Impact of the Growing Cell-Only Population

Pew Research CenterJune 20, 2007

What’s Missing from National RDD Surveys? The Impact of the Growing Cell-Only Population

Pew Research CenterFebruary 14, 2007

How Reliable Are the Early Presidential Polls?

The flurry of candidate announcements in an open race has spurred media attention to the 2008 presidential contest even earlier in the electoral cycle than usual. But followers of early poll readings on the relative viability of declared candidates should bear in mind some caveats. Early frontrunners for the Republican nomination in most of the […]

Pew Research CenterFebruary 7, 2007

Can You Trust What Polls Say about Obama’s Electoral Prospects?

The strong showing of Democrat Barack Obama in early trial heat polls for the 2008 presidential election raises anew the question of whether the American public is ready to support an African American candidate for president. Recent polling points to two significant shifts on this question. Read the full analysis at PewResearch.org