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Digest of Education Statistics: 2006
Digest of Education Statistics: 2006

NCES 2007-017
July 2007


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
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.)