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NAEP Instruments → Cognitive Items and Instruments → Development of the Science Cognitive Items and Instruments → Number of Items in the 2015 Science Assessment
| Grade | Total | Physical science | Earth and space sciences | Life science |
|---|---|---|---|---|
| 4 | 143 | 48 | 45 | 50 |
| 8 | 166 | 55 | 64 | 47 |
| 12 | 187 | 67 | 44 | 76 |
| NOTE: The number of total items is the number of items used for both univariate and subscale scaling.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Science Assessment. | ||||
| Grade | Total |
|---|---|
| 4 | 139 |
| 8 | 162 |
| 12 | 180 |
|
NOTE: The number of items in the table is for univariate scaling. The number of items may change between before scaling and after scaling because items could be dropped during the scaling process. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Science Assessment. | |
| Grade | Total | Physical science | Earth and space sciences | Life science |
|---|---|---|---|---|
| 4 | 140 | 46 | 45 | 49 |
| 8 | 161 | 51 | 64 | 46 |
| 12 | 181 | 62 | 44 | 75 |
|
NOTE: The number of items in the table is for subscale scaling. The number of items may change between before scaling and after scaling because items could be dropped during the scaling process. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Science Assessment. | ||||
Last updated 01 November 2021 (ML)
