Exit polls are only available in select polling locations and can be conducted over the phone, through in-person interviews, or through an anonymous paper questionnaire, according to NBC.

How exit polls work and how NBC News uses them on election night ... In person, voters are handed a piece of paper and pencil to fill out a paper questionnaire and they answer anonymously.

How exit polls work and how NBC News uses them on election night The large-scale studies of voters now include phone calls to early and mail voters as well as interviews outside polling places on ...

On Election Day, as votes are being tallied and news organizations await results and race projections that can be reported, exit polls are a critical tool providing an early look at who is voting ...