NAEP Assessment Weighting Procedures → Weighting Procedures for the 2009 Assessment → Quality Control on Weighting Procedures for the 2009 Assessment → Main Quality Control Findings of Interest for the 2009 Assessment

NAEP Technical DocumentationMain Quality Control Findings of Interest for the 2009 Assessment

			Final Participation, Exclusion, and Accommodation Rates Grade 4 Mathematics Grade 4 Reading Grade 4 Science Grade 4 Science HOT Grade 4 Science ICT Grade 8 Mathematics Grade 8 Reading Grade 8 Science Grade 8 Science HOT Grade 8 Science ICT Grade 12 Mathematics Grade 12 Reading Grade 12 Science Grade 12 Science HOT Grade 12 Science ICT

Final participation, exclusion, and accommodation rates are presented in quality control tables for each grade and subject by geographic domain and school type. School-level participation rates have been calculated according to National Center for Education Statistics (NCES) standards as they have been for previous assessments.

School-level participation rates were below 85 percent for private schools at all three grades (4, 8, and 12). Student-level participation rates were also below 85 percent for students in grade 12 public schools. As required by NCES standards, nonresponse bias analyses were conducted on each reporting group falling below the 85 percent participation threshold.

 

 

 

 

 

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