NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Examining the Population-Structure Models Used in NAEP → Proportion of Scale Score Variance Accounted for by the Population-Structure Models → Proportion of Scale Score Variance Accounted for by the Population-Structure Models, Mathematics State Assessment, By Jurisdiction: 2011

NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure models, grade 8 mathematics state  assessment, by jurisdiction: 2011

Jurisdiction	Number of principal components	Proportion1 of scale score variance accounted for by the conditioning model
		Number sense, properties, and operations	Measurement	Geometry	Data analysis, statistics, and probability	Algebra
1 (Total Variance – Residual Variance)/Total Variance, where Total Variance consists of both sampling and measurement error variance. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Mathematics State Assessment.
Alabama	267	0.72	0.69	0.68	0.74	0.72
Alaska	158	0.52	0.56	0.52	0.55	0.52
Arizona	348	0.73	0.72	0.68	0.76	0.76
Arkansas	317	0.72	0.69	0.70	0.75	0.72
California	373	0.74	0.72	0.75	0.75	0.77
Colorado	307	0.73	0.72	0.73	0.74	0.77
Connecticut	287	0.74	0.75	0.72	0.77	0.77
Delaware	236	0.74	0.73	0.73	0.68	0.71
Florida	366	0.67	0.68	0.64	0.70	0.70
Georgia	305	0.69	0.68	0.70	0.70	0.71
Hawaii	264	0.71	0.70	0.69	0.69	0.70
Idaho	299	0.72	0.71	0.65	0.72	0.73
Illinois	321	0.72	0.71	0.65	0.73	0.73
Indiana	284	0.71	0.69	0.68	0.72	0.75
Iowa	291	0.74	0.70	0.68	0.76	0.77
Kansas	323	0.68	0.71	0.68	0.71	0.70
Kentucky	305	0.60	0.61	0.60	0.64	0.66
Louisiana	287	0.69	0.68	0.71	0.68	0.73
Maine	304	0.73	0.74	0.68	0.72	0.90
Maryland	310	0.72	0.72	0.72	0.75	0.75
Massachusetts	314	0.71	0.71	0.67	0.71	0.73
Michigan	301	0.70	0.74	0.71	0.74	0.72
Minnesota	317	0.71	0.71	0.62	0.67	0.71
Mississippi	262	0.71	0.69	0.69	0.71	0.72
Missouri	296	0.71	0.71	0.70	0.69	0.73
Montana	331	0.76	0.76	0.72	0.75	0.78
Nebraska	295	0.74	0.73	0.70	0.71	0.74
Nevada	318	0.73	0.78	0.71	0.74	0.79
New Hampshire	273	0.69	0.64	0.69	0.70	0.71
New Jersey	294	0.71	0.75	0.69	0.72	0.77
New Mexico	364	0.69	0.65	0.70	0.73	0.71
New York	351	0.74	0.73	0.68	0.75	0.75
North Carolina	359	0.71	0.71	0.64	0.70	0.78
North Dakota	291	0.70	0.73	0.67	0.78	0.75
Ohio	302	0.71	0.68	0.64	0.69	0.73
Oklahoma	360	0.72	0.74	0.71	0.77	0.75
Oregon	345	0.72	0.74	0.72	0.76	0.74
Pennsylvania	318	0.74	0.73	0.71	0.69	0.73
Rhode Island	250	0.72	0.71	0.71	0.70	0.73
South Carolina	302	0.70	0.71	0.74	0.70	0.73
South Dakota	325	0.71	0.68	0.64	0.71	0.72
Tennessee	280	0.68	0.67	0.62	0.68	0.67
Texas	354	0.71	0.69	0.67	0.70	0.75
Utah	330	0.73	0.70	0.73	0.71	0.77
Vermont	261	0.72	0.70	0.70	0.69	0.75
Virginia	314	0.73	0.73	0.72	0.73	0.80
Washington	349	0.75	0.72	0.73	0.75	0.78
West Virginia	272	0.68	0.68	0.63	0.66	0.69
Wisconsin	316	0.73	0.73	0.69	0.75	0.78
Wyoming	248	0.70	0.68	0.65	0.68	0.72
Other jurisdictions
District of Columbia	214	0.65	0.68	0.66	0.64	0.67
DoDDS	230	0.69	0.66	0.66	0.71	0.72

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