| Type | JournalArticle |
|---|---|
| Date | 2005 |
| Volume | 2 |
| Number | 1 |
| Tags | nonfiction, language learning, vocabulary, 75 in 2019 |
| Journal | Insights on Learning Disabilities |
| Pages | 33--45 |
At first-grade, high-performing students know about twice as many words as low-performing students, but that differential gets magnified each year, resulting in high-performing 12th grade students knowing about four times as many words as the low-performing 12th graders (Hart & Risley, 1995).
| Name | Role |
|---|---|
| Joan Sedita | Author |