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Green, Patricia J.; Hoogstra, Lisa A.; Ingels, Steven J.; Greene, Harrison N.; Marnell, Patricia K. – 1997
The Early Childhood Longitudinal Study (ECLS) is a new study that will focus on children's early school experiences beginning in kindergarten. Approximately 23,000 children will be selected as they enter kindergarten and followed through fifth grade. Base-year data will be collected in the fall of 1998, but there will a field test in the 1996-97…
Descriptors: Children, Cognitive Tests, Educational Assessment, Educational Research
Ingels, Steven J. – Online Submission, 2004
This paper addresses two audiences--those who design education trend studies that simultaneously have longitudinal and intercohort implications, and the secondary analysts who use such trend data. Four study series conducted for the U.S. Department of Education's National Center for Education Statistics (NCES) provide material for the paper: the…
Descriptors: Change, Cohort Analysis, Comparative Analysis, Computation