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How the poll was conducted

The Associated Press-NORC Center Poll on energy efficiency was conducted from March 29 to April 15 by the AP-NORC Center for Public Affairs Research. It is based on landline and cellular telephone interviews with a nationally representative random sample of 1,008 adults. Interviews were conducted by NORC at the University of Chicago and included 752 respondents on landline telephones and 256 on cellular phones.

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