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16 Cards in this Set
- Front
- Back
Nonsampling Error
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-all errors in a survey except those attributable to to the sample plan and sample size
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Nonsampling Error Examples
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-non response error
-data-gathering errors -data-handling errors -data-analysis errors -interpretation errors |
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Intentional Fieldwork Error
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-cheating
-leading respondents |
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Unintentional Fieldwork Error
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-interviewer characteristics
-misunderstandings -fatigue |
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Intentional Respondent Error
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-falsehoods
-non response |
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Unintentional Respondent Error
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-misunderstandings
-guessing -attention loss -distractions -fatigue |
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Control Mechanisms for Intentional Fieldwork Error
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-supervision
-validation |
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Control Mechanisms for Unintentional Fieldwork Error
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-selection and training of interviewers
-orientation sessions and role playing -breaks |
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Control Mechanisms for Intentional Respondent Error
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-ensure anonymity
-incentive -validation checks -third person technique |
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Control Mechanisms for Unintentional Respondent Error
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-direct questions
-well drafted questionnaire -response options ex. unsure |
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Data Collection Errors with Online Surveys
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-multiple submissions
-bogus respondents and responses -population misrepresentation |
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Three Types of Nonresponse with Surveys
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-refusals
-break-off (stops in middle) -item omission (skips) |
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Reducing Nonresponse Error
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-advance notification
-monetary incentives -follow-up contacts |
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CASRO Response Rate Formula
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-number of completes over number of eligible units in sample
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Adjusting Results to Reduce the Effects of Nonresponse Error
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-weighted average
-oversampling |
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What to Look for in Questionnaire Inspection
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-incomplete questionnaire
-nonresponse -yea-or-nay (responds one way regardless of question) -middle-of-the-road (no opinion) -unreliable (not consistent) |