Table 107. | Percentage of young children born in 2001 demonstrating specific cognitive and motor skills, by child's age at assessment: 2001 through 2003 |
Specific ability | Percentage of children 8 through 10 months | Percentage of children 11 through 13 months | Percentage of children 14 through 22 months |
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Total | 8 months | 9 months | 10 months | Total | 11 months | 12 months | 13 months | |||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||||||||
Survey population percentage distribution | 72.2 | (0.98) | 16.1 | (0.82) | 34.8 | (0.71) | 21.3 | (0.61) | 20.9 | (0.79) | 10.6 | (0.49) | 6.2 | (0.37) | 4.1 | (0.30) | 6.5 | (0.50) |
Cognitive abilities | ||||||||||||||||||
Explores objects in play | 99.2 | (0.03) | 98.7 | (0.06) | 99.2 | (0.02) | 99.4 | (0.03) | 99.8 | (0.02) | 99.7 | (0.04) | 99.9 | (0.01) | 100.0 | (0.01) | 100.0 | (0.01) |
Explores with purpose | 87.8 | (0.38) | 79.6 | (0.75) | 88.0 | (0.31) | 93.8 | (0.27) | 97.4 | (0.14) | 96.4 | (0.26) | 98.8 | (0.08) | 99.4 | (0.05) | 99.3 | (0.10) |
Babbles | 46.7 | (0.41) | 37.9 | (0.48) | 45.2 | (0.33) | 55.8 | (0.53) | 72.1 | (0.43) | 64.9 | (0.57) | 76.7 | (0.63) | 84.1 | (0.57) | 89.0 | (0.62) |
Early problem solving | 3.4 | (0.11) | 1.4 | (0.08) | 2.7 | (0.07) | 6.0 | (0.21) | 17.2 | (0.46) | 11.2 | (0.49) | 20.1 | (0.77) | 28.4 | (0.98) | 46.4 | (1.47) |
Uses words | 0.5 | (0.02) | 0.2 | (0.01) | 0.4 | (0.01) | 1.0 | (0.05) | 5.0 | (0.25) | 2.7 | (0.23) | 5.9 | (0.42) | 9.9 | (0.66) | 26.7 | (1.42) |
Motor abilities | ||||||||||||||||||
Eye-hand coordination | 90.7 | (0.13) | 87.7 | (0.25) | 90.6 | (0.16) | 93.1 | (0.13) | 96.4 | (0.11) | 95.3 | (0.16) | 97.1 | (0.16) | 98.2 | (0.17) | 99.0 | (0.09) |
Sitting | 93.4 | (0.13) | 90.4 | (0.28) | 93.4 | (0.16) | 95.7 | (0.13) | 98.2 | (0.08) | 97.4 | (0.13) | 98.6 | (0.12) | 99.3 | (0.12) | 99.6 | (0.06) |
Prewalking | 73.2 | (0.40) | 63.4 | (0.75) | 72.9 | (0.49) | 81.1 | (0.43) | 91.4 | (0.33) | 88.1 | (0.52) | 93.6 | (0.47) | 96.4 | (0.53) | 98.2 | (0.22) |
Independent walking | 18.5 | (0.37) | 10.4 | (0.44) | 16.8 | (0.41) | 27.4 | (0.63) | 55.2 | (1.06) | 42.9 | (1.33) | 62.2 | (1.77) | 76.4 | (1.93) | 89.1 | (1.04) |
Balance | 1.1 | (0.04) | 0.5 | (0.03) | 0.9 | (0.03) | 1.9 | (0.10) | 10.1 | (0.50) | 5.0 | (0.36) | 12.6 | (0.95) | 19.8 | (1.34) | 43.1 | (1.86) |
NOTE: This table is based on a survey that sampled children at or about 9 months of age. Standard errors appear in parentheses. SOURCE: U.S. Department of Education, National Center for Education Statistics, Children Born in 2001: First Results From the Base Year of the Early Childhood Longitudinal Study, Birth Cohort, 2005. (This table was prepared February 2006.) |