Early Childhood Longitudinal Study of 2001 Birth Cohort

A nationally representative longitudinal study of approximately 14,000 children born in the U.S. in 2001, tracking their health, development, care, and education from infancy through kindergarten entry. The study was conducted by the Department of Education using multiple data collection methods including interviews, questionnaires, and direct child assessments.

Use Cases

• Model the relationship between home learning activities, like reading with parents, and direct child assessment scores for school readiness.
• Analyze socio-emotional development trajectories segmented by child care provider characteristics and early education experiences.
• Investigate health outcome disparities across demographic groups using mother and father interview data collected from infancy to preschool.

Strengths

• Nationally representative sample of approximately 14,000 children, providing strong statistical power.
• Longitudinal design tracks the same children from about 9 months old through kindergarten entry.
• Multi-method data collection includes direct child assessments, parent interviews, and provider questionnaires.

Limitations

• Data is specific to the 2001 birth cohort, limiting contemporary generalizability.
• Relies on proxy reporting from parents and caregivers for many behavioral and experience variables.
• Complex longitudinal study design may require specialized statistical expertise for analysis.

Provenance

Source

Department of Education, National Center for Education Statistics.

Collection Method

Computer-assisted in-person and telephone interviews, self-administered questionnaires, and direct child assessments.

Time Range

Children born in 2001, tracked from infancy through kindergarten entry.

Freshness

Last updated in August 2023, though the study's primary data collection period is historical.

Geography

Nationally representative sample of children born in the United States.