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Unformatted text preview: Siml2l~ tlUlQQUl §arn121 i ng Each member of the population has an equal ch,Ulce of being included. Stratified random sampling The popUlation is divided into strrl(a followed by random sampling fTOm each stratum. ., Area probability sampling is when the strata consist ofgeographk areas. Quota slUllPlinll A sample is chosen to reflect the numerical composition of various subgroups in a populatiOr1. l'IaphllZ<ll+.!l "QQn}'el1i~ul<Q" sam_ Subjects are chosen in a. haphazard way. usually based 011 whoever is available. Worrisome Ouestions There are five categories of worrisome question characteristics that may contribute to biases in the people's answers to survey questions: ItTelevant questions Leading questions . Loaded questions Negatives in a question Push Polling irrelevant questions. These are questions that don't really allow a test of the author's hypotheses. They ask questions that are related to the topic, but not right on the topic and the data are therefore meaningless with respect to the hypothesis. For example, asking "do you order the same drink everymeaningless with respect to the hypothesis....
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This note was uploaded on 03/05/2010 for the course PSYCH psych 7 taught by Professor Revlin during the Fall '09 term at California State University , Monterey Bay.
- Fall '09