Table S14-1. Standard errors for the average writing scale scores and percentage of students at each achievement level, by grade: 1998, 2002, and 2007
|
|---|
| Grade, scale score, and achievement level |
1998 |
2002 |
2007 |
|
| Grade 8 |
|
|
|
| Average scale score |
0.6 |
0.5 |
0.2 |
| Percentage at each achievement level |
|
|
|
| Below Basic |
0.5 |
0.4 |
0.2 |
| At or above Basic |
0.5 |
0.4 |
0.2 |
| At or above Proficient |
0.7 |
0.6 |
0.3 |
| At Advanced |
0.1 |
0.1 |
0.1 |
| |
| Grade 12 |
|
|
|
| Average scale score |
0.7 |
0.8 |
0.6 |
| Percentage at each achievement level |
|
|
|
| Below Basic |
0.7 |
0.7 |
0.5 |
| At or above Basic |
0.7 |
0.7 |
0.5 |
| At or above Proficient |
0.7 |
0.8 |
0.6 |
| At Advanced |
0.1 |
0.2 |
0.1 |
|
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1998, 2002, and 2007 Writing Assessments, NAEP Data Explorer.
|
|
