| Purpose for writing | Percentage of prompts | Number of prompts |
|---|---|---|
| Grade 8 | ||
| Narrative | 35 | 7 |
| Informative | 35 | 7 |
| Persuasive | 30 | 6 |
| Grade 12 | ||
| Narrative | 25 | 5 |
| Informative | 35 | 7 |
| Persuasive | 40 | 8 |
| NOTE: Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Writing Assessment. |
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