Early Childhood Longitudinal Study, Birth Cohort (ECLS-B): Methodology report for the nine-month data collection (2001-02): Vol. 1. Psychometric characteristics
| Author(s): | Andreassen, Carol; Fletcher, Philip; West, Jerry; |
|---|---|
| Date Issued: | 2005 |
| Publisher(s): | National Center for Education Statistics |
| Description: | An overview of assessment methods and purposes for data collection on the developmental status of children in the study |
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