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Download full textAndreassen, 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
Peer reviewedBethel, James; Green, James L.; Nord, Christine; Kalton, Graham; West, Jerry – National Center for Education Statistics, 2005
This report is Volume 2 of the methodology report that provides information about the development, design, and conduct of the 9-month data collection of the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B). This volume begins with a brief overview of the ECLS-B, but focuses on the sample design, calculation of response rates, development…
Descriptors: Psychometrics, Young Children, Data Collection, Research Methodology
