On Monday, The Upshot and Siena College will release their first survey of likely voters in Florida.
It’s a little different from most polls sponsored by major media organizations. Most such surveys contact voters by dialing random telephone numbers. The New York Times Upshot/Siena College poll was conducted using Florida records from a voter registration file, a data set covering every registered voter in the country. …
Today, virtually all campaigns conduct their surveys off voter registration files. Why hasn’t the media done the same thing? CONT.
Nate Cohn, New York Times