Study Search Results

Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search.

Study Title/Investigator
1.
Early Childhood Longitudinal Study: Birth Cohort, 2001-2002, 2-year Data [UNITED STATES] (ICPSR 28061)
United States Department of Education. Institute of Education Sciences. National Center for Education Statistics
2.
Early Childhood Longitudinal Study: Birth Cohort, 2001-2002, 9-Month Data [United States] (ICPSR 28081)
United States Department of Education. Institute of Education Sciences. National Center for Education Statistics

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