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Abstract Details
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Activity Number:
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665
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Type:
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Contributed
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Date/Time:
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Thursday, August 4, 2011 : 10:30 AM to 12:20 PM
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Sponsor:
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Section on Survey Research Methods
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| Abstract - #301622 |
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Title:
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Evaluation of the National Longitudinal Survey of Children and Youth Weighting Methodology
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Author(s):
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Agnes Waye*+
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Companies:
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Statistics Canada
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Address:
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110 Tunney's Pasture Driveway, Ottawa, ON, K1A0T6, Canada
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Keywords:
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weighting ;
nonresponse ;
cluster analysis ;
weight adjustments
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Abstract:
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The National Longitudinal Survey of Children and Youth is a longitudinal survey conducted by Statistics Canada. At cycle 7, there was a single non-response adjustment which was calculated using logistic regression models and RHGs (response homogeneous groups). Due to the difficulties encountered during collection and the low response rate at cycle 8 compared to previous cycles, several key changes were made to the weighting methodology with the goal of reducing the effect of higher non-response on the quality of the estimates. At cycle 8, two weight adjustments were made based on a sequential model to reflect the different aspects of non-response (refusals and non-contacts). The approach used to create RHGs was changed from a quantiles-based method at cycle 7 to cluster analysis at cycle 8, since the latter allows more flexibility. We also examined alternative weighting methods and compa
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