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SOURCE: Walston, J., and West, J. (2004). Full-Day and Half-Day Kindergarten in the United States (NCES 2004-078). Data from U.S. Department of Education, NCES, Early Childhood Longitudinal Study, Kindergarten Class of 1998–99 (ECLS-K), Base Year Public-Use Data File (NCES 2001-029). |
