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Early Childhood Longitudinal Study: Birth Cohort, 2001-2002, 9-Month Data [UNITED STATES] The Early Childhood Longitudinal Study is designed to provide decision makers, researchers, child care providers, teachers, and parents with detailed information about children's early life experiences. The birth cohort of the Early Childhood Longitudinal Study (ECLS-B) looks at children's health, development, care, and education during the formative years from birth through first grade. |
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Bayley Short Form--Research Edition |
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