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 4 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	235	0.61	0.64	0.65	0.64	0.61
Alaska	221	0.55	0.53	0.48	0.51	0.49
Arizona	317	0.64	0.64	0.61	0.64	0.66
Arkansas	263	0.60	0.64	0.61	0.60	0.61
California	322	0.69	0.71	0.67	0.68	0.69
Colorado	278	0.64	0.66	0.63	0.60	0.65
Connecticut	260	0.69	0.73	0.65	0.68	0.68
Delaware	258	0.63	0.66	0.63	0.64	0.65
Florida	337	0.58	0.63	0.62	0.62	0.59
Georgia	287	0.63	0.65	0.64	0.58	0.62
Hawaii	262	0.63	0.64	0.58	0.63	0.63
Idaho	270	0.57	0.55	0.57	0.59	0.54
Illinois	310	0.64	0.65	0.60	0.59	0.64
Indiana	260	0.60	0.65	0.58	0.59	0.59
Iowa	271	0.60	0.63	0.60	0.60	0.66
Kansas	269	0.63	0.66	0.63	0.65	0.82
Kentucky	251	0.48	0.53	0.49	0.49	0.53
Louisiana	255	0.61	0.66	0.65	0.64	0.64
Maine	282	0.59	0.58	0.54	0.61	0.61
Maryland	261	0.65	0.68	0.61	0.62	0.62
Massachusetts	312	0.63	0.65	0.60	0.62	0.59
Michigan	263	0.64	0.68	0.63	0.62	0.65
Minnesota	305	0.63	0.64	0.60	0.62	0.64
Mississippi	228	0.58	0.64	0.60	0.61	0.59
Missouri	270	0.63	0.64	0.62	0.66	0.60
Montana	297	0.62	0.58	0.58	0.63	0.62
Nebraska	265	0.61	0.65	0.61	0.62	0.64
Nevada	317	0.60	0.62	0.59	0.59	0.63
New Hampshire	266	0.57	0.56	0.53	0.60	0.54
New Jersey	272	0.65	0.67	0.68	0.64	0.64
New Mexico	355	0.62	0.62	0.61	0.61	0.66
New York	327	0.65	0.66	0.63	0.63	0.66
North Carolina	324	0.63	0.62	0.61	0.56	0.63
North Dakota	278	0.59	0.59	0.57	0.61	0.58
Ohio	243	0.62	0.62	0.56	0.61	0.66
Oklahoma	304	0.63	0.60	0.64	0.64	0.67
Oregon	297	0.64	0.63	0.61	0.59	0.65
Pennsylvania	289	0.64	0.67	0.63	0.64	0.69
Rhode Island	253	0.67	0.69	0.64	0.63	0.67
South Carolina	262	0.64	0.66	0.59	0.61	0.63
South Dakota	301	0.59	0.58	0.62	0.62	0.59
Tennessee	261	0.55	0.59	0.57	0.58	0.57
Texas	324	0.61	0.60	0.64	0.64	0.62
Utah	287	0.59	0.60	0.55	0.56	0.60
Vermont	254	0.56	0.59	0.54	0.55	0.61
Virginia	264	0.63	0.67	0.61	0.67	0.63
Washington	303	0.67	0.65	0.64	0.67	0.64
West Virginia	233	0.55	0.54	0.48	0.48	0.53
Wisconsin	308	0.62	0.67	0.63	0.61	0.61
Wyoming	277	0.55	0.59	0.57	0.54	0.55
Other jurisdictions
District of Columbia	173	0.64	0.61	0.56	0.61	0.64
DoDDS	248	0.53	0.57	0.63	0.51	0.59

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