Most polling is done on the telephone with samples selected through random-digit dialing.

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Most polling organizations use random-digit dialing, which means randomly selecting phone numbers from different geographic regions and calling them to conduct the survey. Telephone polls have been a popular method for conducting political opinions surveys for decades. However, the increasing use of cell phones rather than landline phones has made polling more challenging, and many organizations now include cell phone numbers in their samples.

Most Polling Is Done on the Telephone with Samples Selected