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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 4 Reading State Assessment, by Subscale and State/Jurisdiction: 2017

NAEP Technical Documentation Proportion of Scale Score Variance Accounted for by the Population-Structure Model, Grade 4 Reading State Assessment, by Subscale and State/Jurisdiction: 2017

Proportion of scale score variance accounted for by the population-structure model, grade 4 reading state assessment, by subscale and state/jurisdiction: 2017
State/jurisdictionNumber of principal components 2Proportion of scale score variance accounted for by the conditioning model 1
Reading for literary experienceReading for information
Alabama221.70.72
Alaska174.68.69
Arizona930.76.75
Arkansas225.72.76
California248.77.77
Colorado192.50.56
Connecticut234.72.78
Delaware227.71.74
Florida275.63.68
Georgia239.72.75
Hawaii232.68.73
Idaho240.69.75
Illinois256.71.74
Indiana244.69.72
Iowa240.73.77
Kansas228.74.75
Kentucky235.66.66
Louisiana144.46.47
Maine235.70.71
Maryland232.69.72
Massachusetts246.68.70
Michigan234.72.72
Minnesota237.74.80
Mississippi223.67.71
Missouri237.71.75
Montana175.46.53
Nebraska235.73.77
Nevada236.74.78
New Hampshire235.66.69
New Jersey232.69.72
New Mexico253.73.75
New York250.69.72
North Carolina252.66.75
North Dakota223.70.71
Ohio215.67.68
Oklahoma225.68.71
Oregon226.76.78
Pennsylvania248.72.76
Rhode Island219.70.71
South Carolina245.75.78
South Dakota165.43.53
Tennessee235.68.74
Texas250.67.73
Utah190.68.70
Vermont221.71.75
Virginia236.74.78
Washington231.76.78
West Virginia227.67.70
Wisconsin251.69.71
Wyoming180.64.64
Other jurisdictions
District of Columbia189.73.76
DoDEA 207.64.67
1 (Total Variance – Residual Variance) / Total Variance, where Total Variance consists of sampling, measurement, and other sources of error.
2 Excluding the constant term.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2017 Reading Assessment.

Last updated 03 August 2022 (ML)
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