Horse Race Polls Not More Variable This Year
Lead Changes Contribute to Erroneous Perception
Research Methodology 
07.16.04
04.20.04
Polls Face Growing Resistance, But Still Representative
Summary of Findings Faced with a growing number of unsolicited telephone calls and armed with increasingly sophisticated technology for screening their calls, more Americans are refusing to participate in telephone polls than was the case just six years ago. Yet a survey research experiment to gauge the effects of respondent cooperation on survey quality indicates [...]
