NAEP Technical Documentation Participation, Exclusion and Accommodation Rates for the 2014 Assessment

			Grade 8 Civics Grade 8 Geography Grade 8 U.S. History Grade 8 Technology and Engineering Literacy (TEL)

Final participation, exclusion, and accommodation rates were presented in quality control tables for the grade 8 assessments by reporting group. School-level participation rates were calculated as they had been calculated for previous assessments and according to National Center for Education Statistics (NCES) standards.

School-level participation rates were below 85 percent for private schools. Student-level participation rates were all above 85 percent. As required by NCES standards, nonresponse bias analyses were conducted on each reporting group falling below the 85 percent participation threshold. Even though the school-level participation rate for public schools was above 85 percent, a nonresponse bias analysis was conducted due to the states of Kansas and Maryland refusing to participate.

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