3251 Notes Mar 4

3251 Notes Mar 4 - Nonresponse Error: error caused by...

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Nonresponse Error: error caused by people not responding Reducing Nonresponse: personal and telephone surveys: Not at home: call back/revisit at least 3 times, varying time of day and day of week Refusals: motivate by: Convenient time to contact/visit again Persuasion (refusal conversion) Mail surveys: Motivate by increasing respondents interest in topic Questionnaire length Sponsor notification Type of postage Monetary incentive (prepaid, promised, probabilistic) Degree of personalization- cover letter Follow-up contacts. Questionnaire Components: Introduction: Explains the purpose and goals of the research Asks for respondent’s cooperation Screening questions Main body of questions Classification of question Types of questions: Two types Open Ended Questions:
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Allows the respondent to answer in his or her own words Advantages Respondents get feelings that they have more control Research can learn nuances of response Disadvantages Answers must be coded in the end
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3251 Notes Mar 4 - Nonresponse Error: error caused by...

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