Elementary and Secondary Education
Assessments
Table S-16-5. Standard errors for trends in 10th and 90th percentile science scores of U.S. 4th- and 8th-grade students: Various years 1995-2007
| Percentile |
1995 |
|
1999 |
|
2003 |
|
2007 |
| 4th grade |
|
|
|
|
|
|
|
| 10th |
5.3 |
|
† |
|
3.4 |
|
4.3 |
| 90th |
4.0 |
|
† |
|
3.1 |
|
2.8 |
| |
|
|
|
|
|
|
|
| 8th grade |
|
|
|
|
|
|
|
| 10th |
9.8 |
|
6.9 |
|
5.2 |
|
3.5 |
| 90th |
4.3 |
|
4.7 |
|
3.5 |
|
2.6 |
| † Not applicable. |
| SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 1995, 1999, 2003, and 2007. |
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