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NAEP Technical Documentation Proportion of Scale Score Variance Accounted for by the Population-Structure Model, Arts National Assessment, by Grade: 2016

Proportion of scale score variance accounted for by the population-structure model, music national assessment, by grade: 2016
GradeNumber of initial conditioning contrasts 1Number of principal components 1Proportion of scale score variance 2
81755294.70
1 Excluding the constant term.
2 (Total Variance – Residual Variance)/Total Variance, where Total Variance consists of sampling, measurement, and other sources of error.
NOTE: Single overall scale.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2016 Music Assessment.


Proportion of scale score variance accounted for by the population-structure model, visual arts national assessment, by grade: 2016
GradeNumber of principal components 1Number of principal components 1Proportion of scale score variance 2
81752290.63
1 Excluding the constant term.
2 (Total Variance – Residual Variance)/Total Variance, where Total Variance consists of sampling, measurement, and other sources of error.
NOTE: Single overall scale.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2016 Visual Arts Assessment.

Last updated 12 April 2022 (ML)