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Unformatted text preview: at home by calling them over the phone instead of going to public places such as a supermarket and a mall. 5. The Gallup Poll first selects the national adult of the household, if there are more than one national adult then Gallup asks for each individuals birthday, their age, and their gender. Gallup randomly picks the national adult who has the latest birthday in that particular household to interview. 6. The split sample technique is used to measure the different wordings of questions and how they impact the public. Instead of giving the whole population the same questions, Gallup randomly selects half who will receive certain questions that was worded differently in a survey while the other half gets the other questions. Gallup then compared and writes reports based on the answers from these surveys based on the impact from the difference of the surveys...
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- Fall '08