PS102Lecture16

PS102Lecture16 - QuestionnaireDesign PS102 Lecture16...

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Questionnaire Design PS 102 Introduction to Political Inquiry Lecture 16
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Survey Interview Methods Face-to-Face “Gold Standard” used by ANES and other big surveys Telephone Most popular method, especially for commercial surveys Mail Inexpensive and easier to reach unusual populations E-mail and Internet Probability and non-probability sampling methods Group surveys Generally used with “captive” or specialized populations
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Characteristics of Interview  Methods Cost – variation from a few thousand dollars to tens of thousands  (or more). Completion rates – variation from less than 10% to around 70% Sample-population congruence variation depends on sampling  method Questionnaire length – varies from 15 minutes to nearly an hour Data-processing issues – decreasingly important Response Quality – methods have different strengths and  weaknesses
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Financial Costs Length of the questionnaire Important for face-to-face, phone and internet. Geographic dispersion of the sample Important for face-to-face and group surveys Recontacting and refusal conversion procedures Important for all survey methods Respondent selection rules Important for specialized populations Method-specific costs Long distance rates, postage, internet access Face-to-face is most expensive, and mail is the cheapest
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Completion Rates Low completion rate risks non-response bias Key causes of response rates are recontacting  procedures and refusal conversion Methods do generally vary in response rates Face-to-face (and some group) surveys are highest Mail tends to be lowest Telephone and internet vary widely
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PS102Lecture16 - QuestionnaireDesign PS102 Lecture16...

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