NAEP Weighting Procedures - Poststratification Adjustments, Grade 8 U.S. History National Main Assessment (Accommodations Not Permitted [R2]): 2001

NAEP Technical DocumentationPoststratification adjustments, grade 8 U.S. history national main assessment (accommodations not permitted [R2]): 2001
PS cell	Race/ethnicity	Region	Age group	Poststratification adjustment	Control total	Sum of pre-post weights
1	Black	All U.S.	Age 13	1.006	336,238	334,089
2	Black	All U.S.	Not age 13	1.332	218,494	164,094
3	Hispanic	All U.S.	Age 13	0.764	342,244	448,082
4	Hispanic	All U.S.	Not age 13	1.210	232,430	192,130
5	Other race/ethnicity	All U.S.	Age 13	0.828	143,239	172,984
6	Other race/ethnicity	All U.S.	Not age 13	1.339	76,168	56,902
7	Non-Hispanic White	Northeast Census reg	Age 13	0.916	374,844	409,204
8	Non-Hispanic White	Northeast Census reg	Not age 13	1.091	154,677	141,734
9	Non-Hispanic White	Midwest Census reg	Age 13	1.050	515,457	490,818
10	Non-Hispanic White	Midwest Census reg	Not age 13	1.416	270,133	190,772
11	Non-Hispanic White	South Census reg	Age 13	0.986	508,345	515,390
12	Non-Hispanic White	South Census reg	Not age 13	1.504	273,608	181,963
13	Non-Hispanic White	West Census reg	Age 13	1.398	362,144	259,018
14	Non-Hispanic White	West Census reg	Not age 13	1.575	112,957	71,723
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2001 U.S. History Assessment.

Last updated 17 April 2008 (TS)