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Pages 17-19

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From page 17...
... 5 Sample and Experiment Design A sample of approximately 2,200 addresses was selected for each of the three airport communities in the Study. These three airports were selected purposively from the international airports in the United States to represent a range of climate conditions and airport operations.
From page 18...
... called and the telephone survey was administered. Figure 3 provides a schematic summary of the design of the study for Airport 1 and Airport 2.
From page 19...
... Figure 4 ACRP Study protocol for Airport 3 Any household member could fill out the long or short screener that was sent to request a phone number from households with no matching number in the telephone group. For the Survey of Community Attitudes sent to the mail group, the person with the next birthday was asked to fill out the questionnaire.

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