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NAEP Sample Design → Sample Design for the 2000 Assessment → Comparison of National Main and State Sample Designs → Sampling Stages

NAEP Technical DocumentationSampling Stages

2000 National Main Assessment

• Fourth- and twelfth-grade students

• Selected geographic primary sampling units

• Selected schools from primary sampling units

• Assigned sessions to schools

• Selected students from schools

• Eighth-grade students

• Selected schools within the integrated national and state samples

• Assigned sessions to schools

• Selected students from schools

2000 State Assessment

• Sampling began within a participating state/jurisdiction

• Selected schools from jurisdiction

• Assigned sessions to schools

• Selected students from schools

The integrated approach of the 2000 national main and state assessment for eighth-grade school samples combined the national and state samples after data collection. This approach produced a larger sample that yielded more precise estimates. Because the state assessment focused on public schools, no private school students appeared in the 2000 national main assessment eighth grade.

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