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Activity Number: 155
Type: Topic Contributed
Date/Time: Monday, August 3, 2009 : 10:30 AM to 12:20 PM
Sponsor: Section on Survey Research Methods
Abstract - #304535
Title: Options for Allocating the American Community Survey Sample
Author(s): Don Keathley*+ and Steven P. Hefter
Companies: U.S. Census Bureau and U.S. Census Bureau
Address: , , ,
Keywords: American Community Survey ; sample size ; reliability ; sampling rate ; sample allocation
Abstract:

The American Community Survey (ACS) currently has a fixed annual sample size of housing unit addresses; the number of addresses on the sampling frame, however, increases every year. This results in address sampling rates that decrease from one year to the next, thereby contributing to a decrease in reliability of small-area ACS estimates; it also negatively impacts the desired relationship between the coefficients of variation (CV) for ACS and Census 2000 long-form estimates, for tracts of average size. An increase in the annual ACS sample would both improve the reliability of small-area ACS estimates as well as restore the desired relationship between ACS and long-form CVs. This paper explores the effectiveness of various sample design options using such an increase in the annual sample; each varies the sampling strata as well as the sampling rates within the strata.

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