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 Pub Number  Title  Date
NCES 2008346 Education Longitudinal Study of 2002/06: Restricted Use Second Follow-up Data Files, Data File Documentation, and Electronic Codebook System
This ELS:2002/2004 CDROM contains a revised version of the restricted-use base-year to second follow-up data that were previously released. Manuals documenting the sample design of these data, how they were collected, and how they should be used are included. This documentation is public use and can be downloaded directly from the ELS website ( /manuals.asp).

The ELS:2002 longitudinal study is designed to monitor a national sample of young people as they progress from tenth grade through high school and on to postsecondary education and/or the world of work. By the third follow-up in 2012, these young people will be in their mid-twenties.

Users of the original second follow-up restricted-use data (NCES 2008-346) can obtain this revised version (NCES 2008-346r) by requesting it from the IES Data Security Office ( Nearly all of the changes that have been made in the original data are in base year and first follow-up variables and not transcript or second follow-up variables.

However, none of these changes affect data that were originally released in the base year to first follow-up restricted-use data (NCES 2006-430 ), or the transcript restricted-use data (NCES-2006-351).
NCES 2007337 Documentation for the 2003-04 Schools and Staffing Survey
This report serves as the survey documentation for the design and implementation of the 2003-04 Schools and Staffing Survey. Topics covered include the sample design, survey methodology, data collection procedures, data processing, response rates, imputation procedures, weighting and variance estimation, review of the quality of data, the types of SASS data files, and user notes and cautions. More detail is contained in appendices.
NCES 2007044 Trends in International Mathematics and Science Study (TIMSS) 2003 Nonresponse Bias Analysis
This technical report explores the extent of potential bias introduced into the U.S. TIMSS study through nonresponse on the part of schools. Data from the third cycle of TIMSS, conducted in April-June, 2003, are the basis for the analyses. The analyses compare selected characteristics likely to reflect bias in participation from participating and non-participating schools. Two forms of analysis were undertaken: a test of the independence of each school characteristic and participation status, and logistic regression in which the conditional independence of selected school characteristics as predictors of participation was examined. The investigation into nonresponse bias at the school level for U.S. TIMSS 2003 samples for grades 4 and 8 shows that there was no statistically significant relationship detected between participation status and the majority of school characteristics that are available for analysis.
NCES 2006179 2004 National Study of Postsecondary Faculty (NSOPF:04) Methodology Report
This report is designed to give readers an accurate picture of this important study and the data generated by its methodology. The report is organized into 6 chapters, including information about the purpose of the study, the sample design, the data collection instruments, data collection and data processing procedures, an evaluation of data quality, and weighting and variance estimation. Of the 34,330 eligible sample members, 26,110 (76 percent) completed the faculty questionnaire during a field period from January to October of 2004. Seventy-six percent of respondents completed the self-administered web questionnaire, and 24 percent were interviewed by telephone. The average time to complete the survey was 30 minutes. Of the 1,070 eligible institutions, 980 (91 percent) provided faculty lists and 920 (84 percent) completed the institution questionnaire. Evaluations of operations and procedures focused on the institution contacting endeavor, the timeline for data collection from institutions (faculty lists and institution questionnaires) and faculty (CATI and self-administered interviews), tracing and locating procedures, refusal conversion efforts, the effectiveness of incentives, and the length of the faculty interview. Item nonresponse was below 15 percent for 87 of the 90 items in the institution questionnaire and for 141 out of the 162 items in the faculty questionnaire.
NCES 2006037 Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K) Fifth Grade Methodology Report
This methodology report provides technical information about the development, design, and conduct of the fifth 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.
NCES 2004405 ELS: 2002 Base Year Data File User's Manual
This data file user’s manual documents the procedures and methodologies employed during the Education Longitudinal Study of 2002 (ELS:2002) base year. The manual is designed to provide guidance and documentation for users of the public-use data as released in Electronic Codebook (ECB) format (NCES 2004-404). Included in the manual are the following: an overview of the study and its predecessor studies; an account of instrumentation (both the assessment battery and the various questionnaires); documentation of the sample design, weighting, design effects, and analyses 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 data file structure and contents. In addition, there are a number of appendices.
NCES 2002323 USER'S MANUAL: NELS:88 Base-Year to Fourth Follow-up: Student Component Data File
This data file user's manual documents the procedures and methodologies employed during the National Education Longitudinal Study of 1988 (NELS:88). The manual is designed to provide guidance and documentation for users of the public-release data for the base-year data collection in 1988 through the fourth follow-up study, which took place 12 years later in 2000 (NELS:88/2000). Included in this report are also the results of the intermediate data collections, which took place in 1990 (the first follow-up study, 1992 (the second follow-up study), and 1994 (the third follow-up NELS:88/94). This manual will familiarize the user with each wave of NELS:88
NCES 2002154 1999 National Study of Postsecondary Faculty (NSOPF:99) Methodology Report
This report is designed to give readers an accurate picture of this important study and the data generated by its methodology. The report is organized into 8 chapters, including information about the purpose of the study, the data collection instruments, the sample design, data collection and data processing procedures, questionnaire item nonresponse, and an assessment of discrepancies in faculty counts.
NCES 2000078 National Household Education Survey of 1999: Methodology Report
This report provides a complete and detailed description of the design, implementation, and release of the 1999 National Household Education Survey. Information included in the report covers such topics as how topics were selected, questionnaires designed, interviewers trained, samples designed, data collected, data cleaned, the data documentation, and how to properly analyze the data.
NCES 9802 Working Paper: Response Variance in the 1993-94 Schools and Staffing Survey: A Reinterview Report
The National Center for Education Statistics (NCES) sponsors the Schools and Staffing Survey (SASS). The SASS is an integrated set of surveys including the Teacher, School, and Administrator Surveys. The SASS was first conducted during the 1987-88 school year and again during the 1990-91 and 1993-94 school years. During each of the three school years the Census Bureau also conducted a reinterview of the administrators, schools, and teachers. This report contains the reinterview results from the 1993-94 school year.
NCES 98243 An Analysis of Total Nonresponse in the 1993-94 Schools and Staffing Survey (SASS)
This technical report provides results of an analysis of unit response rates for the components of the 1993-94 Schools and Staffing Survey (SASS). The report describes the survey design and nonresponse adjustment procedures for each of the components of SASS. A primary focus of the analysis is to compare the response rates for known characteristics of schools, administrators, teachers, school districts, libraries, librarians, and student records, and to assess the extent and pattern of these differences.
NCES 97948 An Overview of Response Rates in the National Household Education Survey: 1991, 1993, 1995, and 1996
This report presents descriptive information on response rates for the four NHES administrations in the context of the populations of interest and the survey procedures used for each cycle. Following an overview of the NHES, response rates at the screening level are addressed, followed by a discussion of response rates to the interviews conducted with or about persons sampled within households (extended interviews).
NCES 97804 Constructed Response Tests in the NELS:88 High School Effectiveness Study
This report describes an experiment in constructed response testing undertaken in conjunction with the National Education Longitudinal Study of 1988 (NELS:88). The experiment was designed to explore the practical and psychometric issues involved in using constructed response test formats in the context of a large-scale, voluntary national survey. This report also describes the objectives and issures involved in the development of the constructed response tests, and on the steps taken to address these issues. Finally, this report concludes with a summary of the major issues and results, and with a description of the data file that will be made available to researchers wishing to conduct further investigations.
NCES 97339 Reinterview Results for the School Safety and Discipline and School Readiness Components
This report examines the reliability of the responses to the interviews in both the School Safety & Discipline (SS&D) and School Readiness (SR) components of the NHES:93. Estimates from these components, like the estimates from every sample survey, are subject to both sampling error and nonsampling error.
NCES 96089 1993-94 Schools and Staffing Survey: Sample Design and Estimation
This report documents the sample design and estimation procedures for the third SASS collection.
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