Self-esteem has always been a hot research object in the field of adolescent mental health. But in longitudinal research, using a single slope to describe the trajectory of adolescent self-esteem is unrealistic. The piecewise growth mixture model (PGMM) was used to fit the data in this study. Selecting from China Family Panel Studies database, a…

College students who are parents or caregivers of dependent children make up more than one in five U.S. undergraduates. Colleges need basic information about the experiences and outcomes of the student parents they serve, since these students face distinct challenges, including high rates of economic insecurity and significant time and caregiving…

One of the challenges limiting the capability for analysis of educational issues is that data on school enrollments, staffing, and financing are collected through separate but annually conducted universe surveys. Because the data are collected and provided by separate agencies, the available data from the nation's school districts are often…

The National Longitudinal Study (NLS) of the High School Class of 1972 is a large-scale long-term survey effort supported by the National Center for Education Statistics (NCES), Office of the Assistant Secretary for Educational Research and Improvement in the U.S. Department of Education. NLS is designed to provide statistics on a national sample…

This technical report documents the methodology of the National Education Longitudinal Study of 1988 (NELS:88) base year survey of eighth graders through the 1992 second followup survey of high school students and dropouts. Chapter 1 begins with an overview and history of the NELS:88 and its database, Chapter 2 contains a description of the data…

This manual is designed to familiarize data users with the procedures followed for data collection and processing of the base-year school 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 files. The manual provides a wide range of…

This manual will familiarize data users with the procedures followed for data collection and processing of the base-year teacher component of the National Education Longitudinal Study of 1988. A corollary objective is to provide the necessary documentation for use of the data files. The manual provides a wide range of information on topics related…

This paper describes the contours of a program of research focused on Australian youth and the transition they make within and between education and work. The project was initiated in 1978 and centered on longitudinal mail surveys. Questionnaires were sent to three cohorts aged 24 to 25 years old, 20 to 21 years, and 15 to 16 years. Samples…

Describes a Post-Graduate Certificate of Education (PGCE) course in the United Kingdom that was offered to develop teachers' computer use and skills. Results of four questionnaires that evaluated skills before the course and after one year of teaching are discussed, and requirements for information technology skills are examined. (five references)…

This manual has been produced to familiarize data users with the procedures used for data collection and processing of the base year parent component of the National Education Longitudinal Study of 1988 (NELS:88) and to provide necessary documentation for using the data files. Chapter 7 and Appendix F, in particular, contain essential information…

Based on data collected over a period of 3 years (1987-1989) on the utilization of telecourses for college credit instruction, this report presents the over-all state of postsecondary uses of telecourses and examines current trends. It is noted that the study is limited to telecourses used to reach distant learners, and that personal computer…

These three users' manuals are for specific files of the High School and Beyond Study, a national longitudinal study of high school sophomores and seniors in 1980. The three files are computerized databases that are available on magnetic tape. As one component of base year data collection, information identifying twins, triplets, and some non-twin…

This manual contains materials related to the Second Institute for Demographic and Economic Studies, Inc. (IDES) Survey of Experiences and Plans (Winter 1978-79), third in a series of studies of a national sample of young people. The first two surveys are also addressed: survey of high school juniors in spring 1973 by American College Testing…

The National Longitudinal Study of the High School Class of 1972 (NLS) critical data base contains 151 items (plus background information) from the base year and followup questionnaires; about thirty-seven percent of all items. This set of critical items consists of: (1) basic demographic variables; (2) items necessary for defining activity states…

This document reports the results of a follow-up survey of 34 Association of Research Libraries member libraries which was conducted in 1989 to measure changes that had taken place in the administration of computer files (CF)--previously referred to as machine readable data files--since the original survey in 1984. It is noted that this survey…