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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 Mathematics State Assessment, by Subscale and State/Jurisdiction: 2015

NAEP Technical DocumentationProportion of Scale Score Variance Accounted for by the Population-Structure Model, Grade 4 Mathematics State Assessment, by Subscale and State/Jurisdiction: 2015

Proportion of scale score variance accounted for by the population-structure model, grade 4 mathematics state assessment, by subscale and state/jurisdiction: 2015
State/jurisdictionNumber of principal components2Proportion of scale score variance accounted for by the conditioning model1
Number properties
and
operations		MeasurementGeometryData analysis,
statistics,
and probability		Algebra
Alabama221.64.66.67.69.66
Alaska141.53.46.42.52.49
Arizona292.71.72.69.73.68
Arkansas240.61.66.62.61.61
California311.72.71.69.69.70
Colorado235.69.73.70.70.67
Connecticut265.68.71.68.71.68
Delaware238.66.68.63.64.66
Florida355.65.67.64.63.62
Georgia264.67.68.72.73.68
Hawaii249.70.67.65.69.66
Idaho252.67.63.61.61.63
Illinois296.70.71.66.67.66
Indiana242.67.62.67.65.63
Iowa254.65.67.58.62.60
Kansas257.70.65.67.64.69
Kentucky232.58.61.59.53.57
Louisiana219.62.68.64.63.64
Maine279.62.65.63.57.60
Maryland257.66.66.65.63.65
Massachusetts282.69.71.76.69.67
Michigan252.69.70.68.63.64
Minnesota285.70.69.65.65.67
Mississippi228.60.63.64.56.58
Missouri251.67.69.67.68.64
Montana263.64.63.60.61.63
Nebraska266.67.69.67.68.67
Nevada248.69.68.69.65.60
New Hampshire269.65.67.64.60.64
New Jersey249.68.71.73.69.71
New Mexico326.66.67.70.64.68
New York296.68.68.69.67.67
North Carolina306.73.69.71.70.68
North Dakota299.64.66.62.61.69
Ohio225.68.68.64.65.67
Oklahoma301.67.73.72.70.66
Oregon261.62.65.60.66.65
Pennsylvania263.69.74.73.65.72
Rhode Island240.65.68.66.60.61
South Carolina242.67.70.60.65.65
South Dakota298.68.67.63.64.68
Tennessee233.64.71.66.59.61
Texas305.67.73.72.75.72
Utah165.45.41.43.42.40
Vermont230.66.66.62.63.63
Virginia236.68.68.69.70.67
Washington256.72.67.70.69.71
West Virginia235.62.60.57.56.50
Wisconsin267.68.69.61.63.67
Wyoming263.62.64.63.60.58
Other jurisdictions
District of Columbia179.70.65.62.69.69
DoDEA 210.54.55.64.60.54
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), 2015 Mathematics Assessment.
Last updated 30 November 2021 (ML)
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