Video: Why 2016 election polls missed their mark
The results of the 2016 presidential election came as a surprise to nearly everyone who had been following the national and state election polling
Numbers, Facts and Trends Shaping Your World
The results of the 2016 presidential election came as a surprise to nearly everyone who had been following the national and state election polling
As telephone interviewing costs continue to rise and cellphones represent an increasing share of survey samples, survey researchers are exploring approaches to make these designs more cost-effective.