NAEP Assessment Sample Design → NAEP 2008 Sample Design → 2008 Long-Term Trend (LTT) Assessment Sample Design → 2008 Private School Long-Term Trend (LTT) Assessment → Substitute Private Schools for the 2008 Long-Term Trend (LTT) Assessment

NAEP Technical DocumentationSubstitute Private Schools for the 2008 Long-Term Trend (LTT) Assessment

Substitutes for the 2008 long-term trend assessment were preselected for the private school samples in the same manner as public schools.

There were 14, 7, and 18 substitute private schools sued for the age 9, 13, and 17 component, respectively.

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