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Rock, Donald A.; Pollack, Judith M. – National Center for Education Statistics, 2002
This report documents the design, development, and psychometric characteristics of the assessment instruments used in the Early Childhood Longitudinal Study-Kindergarten Class of 1998-99 (ECLS-K). The ECLS-K is sponsored by the U.S. Department of Education, National Center for Education Statistics. The ECLS-K was designed to assess the…
Descriptors: Children, Longitudinal Studies, Surveys, Test Construction