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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Number of Items in Each Subject Area Scale → Number of Items in Scales, as Defined Before and After Scaling, Mathematics Long-Term Trend Assessment, by Age: 2008
NAEP Technical DocumentationNumber of Items in Scales, as Defined Before and After Scaling, Mathematics Long-Term Trend Assessment, by Age: 2008
| Age | Total |
|---|---|
| 1 Single overall scale. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2008 Mathematics Long-Term Trend Assessment. |
|
| 9 | 135 |
| 13 | 156 |
| 17 | 156 |
| Age | Total |
|---|---|
| 1 Single overall scale. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2008 Mathematics Long-Term Trend Assessment. |
|
| 9 | 135 |
| 13 | 156 |
| 17 | 156 |
Last updated 08 July 2009 (JL)