NAEP tdw - Proportion of Scale Score Variance Accounted for by the Population-Structure Model, Grade 12 Reading State Assessment, by Jurisdiction: 2013

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 Model, Grade 12 Reading State Assessment, by Jurisdiction: 2013

NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure model, grade 12 reading state assessment, by jurisdiction: 2013
Jurisdiction	Number of principal components	Proportion¹ of scale score variance accounted for by the conditioning model
Jurisdiction	Number of principal components	Literary	Information
¹(Total Variance – Residual Variance)/Total Variance, where Total Variance consists of sampling, measurement, and other sources of error. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2013 Reading Assessment.
Arkansas	221	.72	.67
Connecticut	213	.60	.65
Florida	218	.65	.61
Idaho	213	.71	.63
Illinois	214	.67	.66
Iowa	215	.66	.70
Massachusetts	224	.70	.68
Michigan	224	.63	.63
New Hampshire	203	.62	.60
New Jersey	215	.67	.67
South Dakota	207	.63	.65
Tennessee	221	.69	.68
West Virginia	202	.66	.63

Last updated 21 May 2017 (DC)