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Ingels, Steven J.; Pratt, Daniel J.; Rogers, James E.; Siegel, Peter H.; Stutts, Ellen S. – National Center for Education Statistics, 2005
This report provides guidance and documentation for users of the public release for the combined base-year and first follow-up data of the Education Longitudinal Study of 2002 (ELS:2002). It provides extensive documentation of the content of the data files and how to access and manipulate them. Chapter 1 serves as an introduction to ELS:2002. It…
Descriptors: Guides, Data Processing, Data Collection, Longitudinal Studies

Ingels, Steven J.; And Others – 1992
This manual has been produced to familiarize data users with the procedures followed for data collection and processing of the first follow-up component of the National Education Longitudinal Study of 1988 (NELS:88). A corollary objective is to provide the necessary documentation for use of the data file. Use of the data set does not require the…
Descriptors: Administrators, Cohort Analysis, Data Analysis, Data Collection
Ingels, Steven J.; Owings, Jeffrey A. – 1994
The National Education Longitudinal Study of 1988 (NELS:88) serves as an example of how three specific problems of representativeness in a longitudinal study may be approached and overcome. NELS:88 was designed to provide longitudinal data about the educational transitions experienced by students as they leave eighth grade and move through high…
Descriptors: Attrition (Research Studies), Change, Cohort Analysis, Eligibility