Grade | Total | 2-point items | 3-point items | 4-point items | 5-point items |
---|---|---|---|---|---|
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment. | |||||
Total | 412 | 33 | 223 | 118 | 38 |
4 | 139 | 24 | 82 | 30 | 3 |
8 | 156 | 9 | 68 | 53 | 26 |
12 | 117 | 0 | 73 | 35 | 9 |