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NAEP Assessment Weighting Procedures → Weighting Procedures for the 2005 Assessment → Quality Control for the 2005 Assessment Weighting → Main Quality Control Findings of Interest: Final Participation, Exclusion, and Accommodation Rates for the 2005 Assessment → Response, Exclusion, and Accommodation Rates for Grade 12 Science Bridge Assessment in 2005

NAEP Technical DocumentationResponse, Exclusion, and Accommodation Rates for Grade 12 Science Bridge Assessment in 2005

The following table displays the school- and student-level response and exclusion rates for the grade 12 science bridge assessment. Various weights were used in the calculation of the rates, as indicated in the column headings of the table.

Response, exclusion, and accommodation rates, grade 12 science bridge assessment, by school type: 2005

School type	Number of schools in the original sample, rounded	School participation rates (percent)before substitution (weighted by base weight and enrollment)	School participation rates (percent) before substitution (weighted by base weight only)	School participation rates (percent) after substitution (weighted by base weight and enrollment)	School participation rates (percent) after substitution (weighted by base weight only)	Number of students sampled, rounded	Weighted percent of students excluded	Weighted student participation rates (percent) after make-ups	Weighted percent of assessed students accommodated
National all1	1,100	81.41	74.73	86.85	82.08	18,100	2.86	67.81	5.15
National public	760	85.05	87.94	89.61	91.53	16,700	3.08	66.69	5.49
National private	340	43.45	48.32	58.02	63.21	1,400	0.73	84.26	1.90
Catholic	70	45.89	47.69	60.21	61.68	600	0.00	81.94	0.93
Non-Catholic private	280	40.79	48.43	55.63	63.47	800	1.51	87.01	2.93
1 Includes national public, national private, Bureau of Indian Affairs (BIA), and Department of Defense Education Activity (DoDEA) schools located in the United States. NOTE: Numbers of schools are rounded to nearest ten, and numbers of students are rounded to nearest hundred. Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 Science Bridge Assessment.

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