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NAEP Assessment Weighting Procedures → Weighting Procedures and Variance Estimation for the 2004 Assessment → Quality Control for the 2004 Assessment Weighting → Main Quality Control Findings of Interest: Final Participation, Exclusion, and Accommodation Rates for the 2004 Assessment → Response, Exclusion, and Accommodation Rates for Age 9 Mathematics Assessment in 2004

NAEP Technical DocumentationResponse, Exclusion, and Accomodation Rates for Age 9 Mathematics Assessment in 2004

The following table displays the school- and student-level response and exclusion rates for the age 9 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, age 9 mathematics assessment, by school type and geographic region: 2004

School type and geographic region	Number of schools in the original sample	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
All	660	85.09	79.87	90.59	84.81	8,400	2.92	93.89	6.26
Northeast	140	85.95	71.62	91.24	78.56	1,600	3.66	93.95	5.79
Southeast	170	81.62	79.77	87.24	84.86	1,800	3.25	95.10	6.99
Central	190	88.82	86.16	91.95	89.95	2,700	2.00	93.93	8.47
West	160	82.37	79.22	91.16	84.00	2,300	3.22	92.86	3.44
Public all	420	87.46	85.79	92.52	89.69	7,100	3.16	93.94	6.68
Northeast	80	91.39	92.76	96.10	96.61	1,300	4.21	93.92	6.20
Southeast	110	81.40	77.86	86.73	83.74	1,400	3.57	95.30	7.68
Central	120	92.18	92.60	94.61	94.20	2,400	2.06	93.69	8.96
West	110	83.51	81.98	92.09	86.43	2,000	3.43	93.26	3.62
Private all	250	63.99	63.12	73.51	71.19	1,300	0.76	93.34	2.48
Catholic	100	82.05	85.10	92.83	92.01	800	0.23	94.61	2.35
Lutheran	10	64.60	66.21	75.27	75.13	100	0.00	97.60	0.00
Conservative Christian	40	52.60	65.16	67.62	73.96	200	0.00	83.50	0.36
Other	100	43.67	45.23	48.57	54.44	200	2.54	96.14	4.75
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), 2004 Mathematics Assessment.

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