Developmental scientists are often interested in subgroups of people who share commonalities in aspects of development; these subgroups often cannot be captured directly but instead must be inferred from other information. Mixture models can be used in these situations. Two specific types of mixture models, latent profile transition analyses and…

"The ABCs of School Choice" is a comprehensive, data-rich guide to every private school choice program in America. The 2016 edition of "The ABCs of School Choice" is the best yet, not just because of the new look and the fantastic growth in the number of school choice programs, but also because it is now paired with a…

This project assesses the feasibility of creating a voluntary, nationwide data dictionary that can be used to standardize the reporting of postsecondary accountability reporting requirements for the Carl D. Perkins Career and Technical Education Act of 2006 (otherwise known as Perkins IV). Variables, field codes, and programming instructions,…

The "2011 State Preschool Yearbook" is the newest edition of our annual report profiling state-funded prekindergarten programs in the United States. This latest "Yearbook" presents data on state-funded prekindergarten during the 2010-2011 school year as well as documenting a decade of progress since the first…

The "2010 State Preschool Yearbook" is the eighth in a series of annual reports profiling state-funded prekindergarten programs in the United States. This latest Yearbook presents data on state-funded prekindergarten during the 2009-2010 school year. The first report in this series focused on programs for the 2001-2002 school year and…

Intended as a quick reference to information on elementary and secondary education in the 50 states, this compendium summarizes and compares data from state sources. Summaries of data on educational institutions, pupils, staff, and finance are compiled from reports of local education agencies in each state. Each state is also profiled to show how…

The "2009 State Preschool Yearbook" is the seventh in a series of annual reports profiling state-funded prekindergarten programs in the United States. This latest Yearbook presents data on state-funded prekindergarten during the 2008-2009 school year. The first report in this series focused on programs for the 2001-2002 school year and…

State-by-state statistical summaries of public elementary and secondary education in the 50 states and the District of Columbia are provided in this report, with listings of 1981-82 institutional, pupil, staff, and finance data. In addition, state profiles show the ranking of each state for each selected characteristic, as compared to other…

Defines relationship between user profile and user query in terms of relationship between clusters of documents retrieved by each, and explores the expression of cluster similarity and cluster overlap as linear functions of similarity existing between original pairs of profiles and queries, given the desired retrieval threshold. (23 references)…

This report summarizes the deliberations of the Office of Scientific and Engineering Personnel's Committee on Data Needs for Monitoring Labor-Market Conditions for Engineers. The purpose of this report is to help the profession make existing data bases on engineers more complete, accurate, and compatible. The report is also intended to help…

This document presents a selection from the 1980 United States Census of demographic data potentially useful to California educators, researchers, and planners. The data are presented in the following 10 statistical tables, with explanatory notes appended to each: (1) comparison of California's population, civilian labor force, and public school…

This eighth annual issue is one of two companion reports that provide comprehensive information about Montgomery County (Maryland) Public Schools, for school system staff, the education board, county government, and public. This report offers general information and statistical data about schools, their staffs and students, and school…