Early Childhood Longitudinal Study, Kindergarten Class of 1998–99 (ECLS-K), Eighth-Grade Methodology Report

Title:	Early Childhood Longitudinal Study, Kindergarten Class of 1998–99 (ECLS-K), Eighth-Grade Methodology Report
Description:	This methodology report provides technical information about the development, design, and conduct of the eighth grade data collection of the Early Childhood Longitudinal Study, Kindergarten Class of 1998–99 (ECLS-K). Detailed information on the development of the instruments, sample design, data collection methods, data preparation and editing, response rates, and weighting and variance estimation is included.
Online Availability:	Download, view and print the report as a pdf file. (1,802KB) Need Help Viewing PDF files?
Cover Date:	September 2009
Web Release:	September 30, 2009
Print Release:	September 30, 2009
Publication #:	NCES 2009003 General Ordering Information
Center/Program:	NCES
Authors:	Tourangeau, K., Lê, T., Nord, C., and Sorongon, A. G.
Type of Product:	Technical/Methodological
Survey/Program Areas:	Early Childhood Longitudinal Study (ECLS)
Keywords:	Assessment Bias Analysis Eighth-graders Kindergarten Mathematics Reading Science
Questions:	For questions about the content of this Technical/Methodological, please contact: Chris Chapman.