Early Childhood Longitudinal Study, Birth Cohort (ECLS-B): Psychometric report for the 2-year data collection: Methodology report
| Author(s): | Andreassen, Carol; Fletcher, Philip; |
|---|---|
| Date Issued: | August 2007 |
| Publisher(s): | National Center for Education Statistics |
| Description: | A description of the characteristics and field performance of instruments used in the two-year data collection of the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), a nationally representative longitudinal study following children born in 2001 in the United States from birth until kindergarten |
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