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

NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure model, grade 12 mathematics 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	Number properties and operations	Measurement and geometry	Data analysis, statistics, and probability	Algebra
¹(Total Variance – Residual Variance)/Total Variance, where Total Variance consists of sampling, measurement, and other sources of error. NOTE: In 2013 measurement and geometry were combined at grade 12. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2013 Mathematics Assessment.
Arkansas	290	.78	.78	.78	.83
Connecticut	292	.83	.81	.83	.88
Florida	301	.82	.81	.82	.83
Idaho	291	.80	.78	.77	.83
Illinois	293	.79	.81	.81	.86
Iowa	285	.86	.83	.82	.86
Massachusetts	302	.79	.81	.83	.82
Michigan	302	.79	.81	.83	.82
New Hampshire	289	.78	.75	.76	.81
New Jersey	298	.82	.83	.82	.87
South Dakota	277	.77	.73	.78	.80
Tennessee	291	.76	.78	.77	.82
West Virginia	272	.83	.78	.76	.80

Last updated 21 May 2017 (DC)