The Progress in International Reading Literacy Study (PIRLS) is an international assessment of student performance in reading literacy at the fourth grade. PIRLS measures students in the fourth year of formal schooling because this is typically when students' learning transitions from a focus on "learning to read" to a focus on…

This manual provides guidance and documentation for users of the longitudinal kindergarten-fourth grade (K-4) public-use data file of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011), which includes the first release of the public version of the third-grade data. This manual mainly provides information specific…

The Monitoring the Future (MTF) study involves an ongoing series of national surveys of American adolescents and adults that has provided the nation with a vital window into the important, but largely hidden, problem behaviors of illegal drug use, alcohol use, tobacco use, anabolic steroid use, and psychotherapeutic drug use. For more than a third…

Monitoring the Future (MTF), which is now in its 36th year, is a research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse. The study is comprised of several ongoing series of annual surveys of nationally representative…

This report provides information from the 1982-83 School Utilization Survey, and examines school district wealth, school socioeconomic status (SES), and grade level in relation to the computer software available to teachers for instructional purposes, as well as teacher training for instructional use of computers. Teachers with access to computers…

This report provides technical documentation associated with a 1980 Census of Population and Housing Summary Tape File (STF) 3F--which contains responses to the extended questionnaire summarized in STF 3, aggregated by school district. The file contains sample data inflated to represent the total population, 100% counts, and unweighted sample…

This report based on the March 1985 supplement to the Current Population Survey presents demographic, social, and economic data on the Hispanic population in the United States, and focuses on social and economic changes between 1982 and 1985. The Hispanic civilian noninstitutional population in March 1985 totaled about 17 million, a 17% increase…

This advance report based on the March 1988 supplement to the Current Population Survey (CPS) presents preliminary data on selected demographic, social, and economic characteristics of the Hispanic population of the United States. The Hispanic civilian noninstitutional population in March 1988 totaled about 19.4 million, a 34% increase since 1980;…

Information collected by the Bureau of the Census in the March 1986 and 1987 supplements to the Current Population Survey (CPS) shows changes in selected demographic, social, and economic characteristics of the Hispanic population of the United States since 1982. The Hispanic civilian noninstitutional population increased by 4.3 million (or 30%)…