How the AP-GfK poll was conducted
Friday, December 14, 2012 - 03:30
in Psychology & Sociology
The Associated Press-GfK poll on climate change was conducted by GfK Roper Public Affairs & Corporate Communications from Nov. 29 to Dec. 3. It is based on landline telephone and cellphone interviews with a nationally representative random sample of 1,002 adults. Digits in the phone numbers dialed were generated randomly to reach households with unlisted and listed landline and cellphone numbers.