Abstract #301975

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JSM 2002 Abstract #301975
Activity Number: 107
Type: Contributed
Date/Time: Monday, August 12, 2002 : 10:30 AM to 12:20 PM
Sponsor: Section on Survey Research Methods*
Abstract - #301975
Title: Jackknife Variance Estimation for Two-Phase Samples: An Application to the Study on Personnel Need for Special Education (SPeNSE)
Author(s): Hyunshik Lee*+ and Jae-Kwang Kim
Affiliation(s): Westat, Inc. and Westat, Inc.
Address: 1650 Research Blvd., Rockville, MD, 20850, USA
Keywords: Double expansion estimator ; reweighted estimator ; relication ; finite population correction
Abstract:

The two-Phase sample design is often employed in sample surveys for various reasons. Variance estimation of such design needs special care since the variance due to first-phase sampling has to be estimated using the second-phase sample. It is somewhat easier to do this if the first-phase sample is selected with-replacement or can be treated as such. However, the SPeNSE sample selected by a two-phase sample design does not fall in this category since the first-phase sample was selected with a high sampling rate in some strata. This paper presents a way of incorporating the first-phase finite population correction in the jackknife variance estimation for the SPeNSE sample.

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