nonresponse - Survey Nonresponse Survey Research Laboratory...

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1 1 Survey Nonresponse Survey Research Laboratory Spring 2007 2 Survey Research Laboratory Outline Outline I. Unit nonresponse (UN) A. Definition B. Causes C. Impact on data D. Strategies for minimizing E. Correcting for UN F. Reporting issues & UN II. Item nonresponse (IN) A. Definition B. Causes C. Impact on data D. Strategies for minimizing E. Correcting for IN F. Reporting issues & IN 3 Survey Research Laboratory I. Unit I. Unit nonresponse nonresponse A. Definition: “Nonresponse occurs when a sampled unit does not respond to the request to be surveyed…” (Groves et al., 2002) ± increasing concern, especially in telephone surveys B. Causes of unit nonresponse ± noncontact ± noncooperation
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2 4 Survey Research Laboratory Failure to contact Failure to contact Non-contact patterns vary by survey mode & across different subgroups ± Restricted-access buildings & communities ± Telephone numbers connected to answering machines, caller ID. . . 5 Survey Research Laboratory Percent of Eligible Sample Households by Calls to Percent of Eligible Sample Households by Calls to First Contact, for Five Surveys (Groves, 2001) 0 10 20 30 40 50 60 1234567 - 8 9 o r more NC Calls to First Contact Percent of the Households Current Events Mental Health Election Welfare Reform Child Health 6 Survey Research Laboratory Failure to gain cooperation (refusals) Failure to gain cooperation (refusals) Survey requests commonly misclassifed Repeated callbacks distinguish surveys
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3 7 Survey Research Laboratory Evidence that survey requests are Evidence that survey requests are misclassified misclassified Refusals made quickly (<30 seconds) Many refusers reconsider later Persons apparently focus on a small number of factors when making the decision. 8 Survey Research Laboratory Factors typically considered by respondents Burden Saliency (topic importance) Incentive Authority of sponsor 9 Survey Research Laboratory Implications Implications Many different reasons for refusals No single introduction may be suitable for all
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This note was uploaded on 06/11/2010 for the course SOC 481 taught by Professor Burris during the Summer '09 term at University of Illinois at Urbana–Champaign.

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nonresponse - Survey Nonresponse Survey Research Laboratory...

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