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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 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)