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Abstract Details
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Activity Number:
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36
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Type:
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Contributed
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Date/Time:
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Sunday, July 31, 2011 : 2:00 PM to 3:50 PM
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Sponsor:
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Section on Survey Research Methods
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| Abstract - #301555 |
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Title:
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Finite Population Correction (FPC) for NAEP Variance Estimation
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Author(s):
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Lou Rizzo*+ and Keith Rust
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Companies:
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Westat Inc. and Westat Inc.
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Address:
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1600 Research Blvd, Rockville, MD, 20850,
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Keywords:
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Jackknife ;
NAEP ;
Finite Population Correction ;
Fay's Method
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Abstract:
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Jackknife replication provides consistent variance estimators for finite population estimators only with careful adjustments to the jackknife replicate weights to incorporate finite population corrections (FPCs). This particular application from the National Assessment of Educational Progress has two stages of selection. We wish to incorporate an FPC for the first-stage of selection (schools), but not for the second-stage of selection (students). A method is developed for doing this in a way which is simple, allowing for its use by analysts without the need for explicit factors attached to sums of squares in variance estimation (the necessary adjustments are fully incorporated into the weights). The approximation is conservative in that it slightly overestimates the true variance. The paper develops this approximation and applies it to State NAEP data from the year 2000.
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