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Table of Contents | Search Technical Documentation | References
NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Conditional Correlations and Variances of the Subscales, Mathematics Combined National and State Assessment, by Subscale and Grade: 2013
| Grade | Subscale | Number properties and operations | Measurement | Geometry | Data analysis, statistics, and probability | Algebra |
|---|---|---|---|---|---|---|
| § These cells do not display data because this is a correlation matrix. Information is shown for the lower triangle only to eliminate redundant information NOTE: In 2013 measurement and geometry scales were combined at grade 12. | ||||||
| 4 | Number properties and operations | 1.00 | § | § | § | § |
| Measurement | .91 | 1.00 | § | § | § | |
| Geometry | .81 | .85 | 1.00 | § | § | |
| Data analysis, statistics, and probability | .90 | .87 | .84 | 1.00 | § | |
| Algebra | .91 | .87 | .82 | .87 | 1.00 | |
| Residual variance | .43 | .46 | .51 | .46 | .46 | |
| 8 | Number properties and operations | 1.00 | § | § | § | § |
| Measurement | .91 | 1.00 | § | § | § | |
| Geometry | .88 | .91 | 1.00 | § | § | |
| Data analysis, statistics, and probability | .91 | .87 | .85 | 1.00 | § | |
| Algebra | .93 | .90 | .87 | .90 | 1.00 | |
| Residual variance | .39 | .40 | .41 | .40 | .36 | |
| 12 | Number properties and operations | 1.00 | § | § | § | |
| Measurement and geometry | .93 | 1.00 | § | § | ||
| Data analysis, statistics, and probability | .94 | .92 | 1.00 | § | ||
| Algebra | .95 | .91 | .94 | 1.00 | ||
| Residual variance | .25 | .23 | .25 | .19 | ||
Last updated 21 May 2017 (DC)