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NAEP Sample Design → NAEP 2002 Sample Design → 2002 State Assessment Sample Design → Student Participation in the 2002 State Assessment

NAEP Technical DocumentationStudent Participation in the 2002 State Assessment

			Student Response Rates and Exclusion Rates

In every NAEP assessment, the student sample is separated into the following groups:

• withdrawn students,
• students with disabilities (SD) who were excluded,
• limited-English-proficient (LEP) students who were excluded,
• students assessed in initial sessions,
• students assessed in makeup sessions, and
• students absent from both sessions (not excluded but not assessed).

Withdrawn students are students who have left the school before the assessment administration. Excluded students are those students who cannot be assessed even with an accommodation because they are SD (disabled) or LEP (limited English proficient). Assessed students are either assessed in the initial session, or if they were absent for that session perhaps in the makeup session. The last category includes students who were not excluded (i.e., “were to be assessed”), but were not assessed, due to either absence from both sessions or a refusal to participate. Assessed students are also classified as assessed without an accommodation or assessed with an accommodation. The latter group can be divided into SD students assessed with an accommodation or LEP students assessed with an accommodation (students neither SD nor LEP can only be assessed without an accommodation). Note that some SD and LEP students are assessed without accommodations.

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