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Jennifer Unangst

RTI International



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Joseph McMichael

RTI International



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Tracking and Evaluating Changes to Address-Based Sampling Frames over Time

Sponsor: Survey Research Methods Section
Keywords: Address-Based Sampling, ABS

Jennifer Unangst

RTI International

Joseph McMichael

RTI International

Address-based sampling frames created from the USPS Computerized Delivery Sequence (CDS) file are updated by the USPS twice monthly. With each update, addresses are added, deleted, revised and/or moved between the CDS and No-Stat files. To assess the quality and coverage of the ABS frame, it is important for researchers to understand the frequency and scope of these changes. This paper tracks more than 130 million addresses from the national ABS frame over time from 2012 to 2014. We detail where and when changes were made, as well as the type of changes (e.g., whether a change was an addition, deletion, or vacancy status change). This analysis has never been available to the public and will aid researchers in study planning where ABS frames are being considered.

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