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| Table 2. Children's language, literacy, mathematics, color knowledge, and fine motor skills scores, by child's age (in months) at time of assessment and domain: 2005–06 |
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|---|---|---|---|---|---|---|
| Domain | Less than 48 months (less than 4 years old) | 48 through 57 months (4 years old to 4 years, 9 months) | More than 57 months (older than 4 years, 9 months) | |||
| Percent of population | 16.4 | 74.6 | 9.0 | |||
| Language | ||||||
| Average receptive vocabulary score | 7.8 | 8.6 | 9.0 | |||
| Average expressive language score | 2.1 | 2.4 | 2.6 | |||
| Literacy | ||||||
| Average overall literacy score | 10.7 | 13.2 | 16.0 | |||
| Average letter recognition score | 22.9 | 32.7 | 43.5 | |||
| Average phonological awareness score | 3.0 | 3.3 | 3.7 | |||
| Average conventions of print score | 2.0 | 2.5 | 3.1 | |||
| Mathematics | ||||||
| Average overall mathematics score | 18.7 | 22.8 | 26.2 | |||
| Percent of children demonstrating proficiency in numbers and shapes | 44.8 | 65.4 | 79.0 | |||
| Color knowledge | ||||||
| Percent of children who scored 0 out of 10 | 2.2 | 1.3 | # | |||
| Percent of children who scored 1 to 9 | 48.8 | 35.1 | 28.4 | |||
| Percent of children who scored 10 out of 10 | 49.0 | 63.6 | 71.1 | |||
| Fine motor skills | ||||||
| Average fine motor score | 2.5 | 3.4 | 4.1 | |||
| # Rounds to zero.
NOTE: Estimates weighted by W3R0. Detail may not sum to totals because of rounding. The receptive vocabulary score has a potential range of 0 to 15; the expressive language score has a potential range of 0 to 5; the overall literacy score has a potential range of 0 to 37; the letter recognition score has a potential range of 0 to 100; both the phonological awareness score and the conventions of print score have a potential range of 0 to 8; the overall mathematics score has a potential range of 0 to 44; the numbers and shapes score has a potential range of 0 to 100; the color knowledge score has a potential range of 0 to 10; and the fine motor skills score has a potential range of 0 to 7. SOURCE: U.S. Department of Education, National Center for Education Statistics, Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), Longitudinal 9-Month-Preschool Restricted-Use Data File (NCES 2008-024). | ||||||
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