Abstract Details
Activity Number:
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598
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Type:
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Topic Contributed
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Date/Time:
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Thursday, August 7, 2014 : 8:30 AM to 10:20 AM
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Sponsor:
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Social Statistics Section
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Abstract #312086
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View Presentation
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Title:
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Testing for Phase Capacity in Surveys with Multiple Waves of Nonrespondent Follow-Up
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Author(s):
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Taylor Lewis*+
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Companies:
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University of Maryland
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Keywords:
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responsive survey design ;
multiple imputation ;
weighting ;
nonresponse
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Abstract:
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To combat nonresponse, many surveys repeatedly follow up with nonrespondents, often targeting a response rate or a predetermined number of completes. Under a fixed data collection protocol, however, returns tend to diminish with each subsequent wave of data collected, and (nonresponse-adjusted) estimates eventually stabilize. This is the concept of phase capacity, suggesting some sort of design change is warranted (e.g., switch modes, increase the incentive, or discontinue follow-up altogether). The only known test for phase capacity appearing in the literature is one employing imputation models to adjust for nonresponse. This paper describes a test similar in spirit but applicable to surveys that conduct weighting adjustments to compensate for nonresponse. The two methods are compared via an application using data from a Web-based satisfaction survey of United States government employees. The weighting version of the phase capacity test proves more conservative in the sense that it tends to conclude more follow-up attempts are warranted.
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Authors who are presenting talks have a * after their name.
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