2006 Methodology Reports

10.26.06 Methodology Report

Cell-Only Voters Not Very Different: Fewer Registered, More First-time Voters

Three Pew Research Center surveys of cell-only Americans this year have found that their absence from landline surveys is not creating a measurable bias in the bottom-line findings.

10.26.06 Methodology Report

Are National Polls Reliable Predictors of Midterm Elections?

This study addresses how accurate the

05.15.06 Methodology Report Survey Report

The Cell Phone Challenge to Survey Research

While Americans who rely solely on a cell phone for telephone service differ in their demographics from land-line subscribers, a new study finds that so far the results obtained by surveys that exclude cell-only users are not significantly affected.