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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 Mathematics Assessment in 2005

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

The following table displays the school- and student-level response and exclusion rates for the grade 12 mathematics 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 mathematics assessment, by school type and geographic region: 2005

School type and geographic region	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	1,310	82.01	76.05	87.27	82.56	15,100	3.22	67.85	4.90
Northeast all	230	80.09	65.80	82.72	69.14	2,400	2.49	62.37	7.01
Midwest all	280	87.55	84.90	91.98	90.57	3,200	2.99	68.93	5.05
South all	490	86.10	77.42	92.91	84.71	6,000	3.72	73.30	4.43
West all	310	72.01	71.15	77.93	79.75	3,400	3.32	62.18	3.66
National public	830	85.34	87.26	89.92	92.43	12,700	3.52	66.72	5.07
National private	480	46.73	47.71	59.22	57.67	2,400	0.33	84.13	3.03
Catholic	80	49.66	52.62	62.41	64.63	1,000	0.29	82.50	2.64
Non-Catholic private	400	43.51	46.68	55.71	56.20	1,300	0.38	86.18	3.48
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 Mathematics Assessment.

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