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NAEP Sample Design → Sample Design for the 2000 Assessment → National Main Assessment Sample Design in 2000 → Sampling of Schools in the 2000 National Main Assessment

NAEP Technical DocumentationSampling of Schools in the 2000 National Main Assessment

			Assigning Measure of Size and Selecting School Samples Sample Type Assignment to Schools

The second stage of the national main design was the selection of the school sample for all but the grade 8 public school sample. For this sample, which did not select primary sampling units (PSUs) except in six sparsely populated states, the selection of schools was the first stage of sampling. Schools, obtained from several sources, were selected with probability proportional to size at rates targeted to meet required student sample sizes.

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