Education Longitudinal Study of 2002/2004: Base-Year to First Follow-up Data File Documentation

Title:	Education Longitudinal Study of 2002/2004: Base-Year to First Follow-up Data File Documentation
Description:	The Data File Documentation reports on the procedures and methodologies employed during the Education Longitudinal Study of 2002 (ELS:2002) base year and first follow-up. The document is designed to provide guidance for users of the public-use data as released in Electronic Codebook (ECB) format (NCES 2006-346). Included in the documentation are the following: an overview of the study and its predecessor studies; an account of instrumentation (both assessments and various questionnaires); documentation of the sample design, weighting, design effects, and evaluations of data quality; a summary of the data collection methodology and results, including detailed response rates; a description of data preparation and processing activities; and an overview of data file structure and contents. In addition, there are a number of appendices that provide additional technical details about topics ranging from cross-cohort comparison to issues associated with imputation.
Online Availability:	Download, view and print the entire data documentation as a pdf file. (1,853KB) Download, view and print chapters 1 (Introduction) and 2 (Instrumentation) of the data documentation as a pdf file. (610KB) Download, view and print chapters 3-6 on sample design, datafile preparation, and data file content of the data documentation as a pdf file. (804KB) Download, view and print appendices A-J of the electronic code book, the questionnaires, imputation, cross-cohort comparisons, standard errors, and design effects of the data documentation as a pdf file. (894KB) Download, view and print the Electronic Code Book as a pdf file. (1,224KB) Need Help Viewing PDF files?
Cover Date:	October 2005
Web Release:	December 16, 2005
Print Release:	This Publication will only be available online.
Publication #:	NCES 2006344 General Ordering Information
Center/Program:	NCES
Authors:	Steven J. Ingels, Daniel J. Pratt, James E. Rogers, Peter H. Siegel, and Ellen S. Stutts (RTI International)
Type of Product:	User's Manual/Data File Documentation
Survey/Program Areas:	Education Longitudinal Study of 2002 (ELS)
Keywords:	Achievement (student) Educational attainment Educational goals Secondary education longitudinal studies
Questions:	For questions about the content of this User's Manual/Data File Documentation, please contact: John G. Wirt.

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