NAEP tdw - Proportion of Scale Score Variance Accounted for by the Conditioning Models, Grade 12 Meanng Vocabulary 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 Conditioning Models, Grade 12 Meaning Vocabulary State Assessment, by Jurisdiction: 2013

NAEP Technical DocumentationProportion of scale score variance accounted for by the conditioning models, grade 12 meaning vocabulary state assessment, by jurisdiction: 2013
Jurisdiction	Number of principal components	Proportion¹ of scale score variance accounted for by the conditioning model
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	20	.28
Connecticut	17	.23
Florida	21	.23
Idaho	22	.26
Illinois	18	.28
Iowa	19	.22
Massachusetts	22	.25
Michigan	21	.21
New Hampshire	19	.14
New Jersey	21	.28
South Dakota	19	.16
Tennessee	18	.24
West Virginia	16	.13

Last updated 21 May 2017 (DC)