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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 Accomodation Rates for Age 13 Mathematics Bridge Assessment for 2004

NAEP Technical DocumentationResponse, Exclusion, and Accommodation Rates for Age 13 Mathematics Bridge Assessment in 2004

The following table displays the school- and student-level response and exclusion rates for the age 13 mathematics 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, age 13 mathematics bridge 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	480	82.52	79.42	87.42	83.33	6,900	7.85	92.11	—
Northeast	100	81.64	70.45	87.42	75.91	1,300	11.16	90.50	—
Southeast	110	74.40	77.59	78.51	83.73	1,400	7.70	92.23	—
Central	160	91.47	84.99	93.28	86.65	2,600	8.65	93.35	—
West	110	76.71	83.63	86.28	86.36	1,600	4.25	91.34	—
Public all	310	84.22	86.32	88.47	88.48	5,700	8.51	91.96	—
Northeast	50	84.40	90.02	89.67	93.66	1,000	12.57	90.09	—
Southeast	70	75.81	83.64	77.71	85.03	1,000	8.58	91.90	—
Central	110	93.57	89.73	94.72	90.22	2,200	9.29	93.26	—
West	80	76.97	84.32	87.06	87.57	1,400	4.45	91.35	—
Private all	160	66.02	64.26	77.34	72.10	1,200	0.45	93.92	—
Catholic	60	77.58	76.93	93.82	94.07	900	0.61	94.85	—
Lutheran	10	100.00	100.00	100.00	100.00	100	0.00	90.42	—
Conservative Christian	20	67.13	73.93	67.13	73.93	100	0.00	88.50	—
Other	70	25.25	37.25	31.16	38.17	100	0.00	93.29	—
— Not available. 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 Bridge Assessment.

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