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Andreassen, Carol; Fletcher, Philip – National Center for Education Statistics, 2007
This methodology report documents the design, development, and psychometric characteristics of the assessment instruments used in the second wave of the ECLS-B. The assessment instruments discussed measure children's cognitive development (BSF-R), socioemotional functioning (Two Bags Task), security of attachment (TAS-45), and physical development…
Descriptors: Measures (Individuals), Child Development, Longitudinal Studies, Cognitive Development