Measuring the Group Quarters Population in the American Community Survey Interim Report (2010) / Chapter Skim
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3 Sample Allocation and Selection
3 Sample Allocation and Selection
Pages 19-21
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From page 19... ...
The GQ sample consists of two strata, small and large. As discussed in Chapter 2, the small stratum includes facilities with 15 or fewer residents, as shown on the frame, and ones for which the expected number of residents is unknown because the facility was closed on Census Day or because it was recently added to the sampling frame without information about the expected population count.
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From page 20... ...
However, because the primary concern is the reliability of the household estimates, a possibly increased budget is not expected to address challenges related to the reliability of the GQ estimates. This means that a careful look at the sample design is warranted to identify possible opportunities for increased efficiency.
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From page 21... ...
Recommendation 3-3: Research on the optimal cluster size for subsampling residents in large group quarters should continue, estimating intraclass correlations for different variables and factoring in facility-level and person-level costs using a variety of approaches. The analysis should address whether the same subsample size is efficient for each GQ type and whether the size of the subsample per facility should be reduced.
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