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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, Science Combined National and State Assessments, by Grade: 2009
NAEP Technical DocumentationNumber of Items in Scales as Defined Before and after Scaling, Science Combined National and State Assessments, by Grade: 2009
| Grade | Total | Physical science | Earth & space science | Life science |
|---|---|---|---|---|
| SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment. | ||||
| 4 | 144 | 49 | 46 | 49 |
| 8 | 166 | 51 | 67 | 48 |
| 12 | 185 | 68 | 46 | 71 |
| Grade | Total |
|---|---|
| NOTE: Results based on univariate scaling. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment. |
|
| 4 | 141 |
| 8 | 162 |
| 12 | 179 |
| Grade | Total | Physical science | Earth & space science | Life science |
|---|---|---|---|---|
| SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment. | ||||
| 4 | 142 | 48 | 46 | 48 |
| 8 | 163 | 48 | 67 | 48 |
| 12 | 181 | 65 | 46 | 70 |
Last updated 06 January 2016 (GF)
