Existing data on illegal immigration in the U.S. is inadequate. The limited availability of macrodata on the size of the annual flows and of the accumulated stock of individuals as well as of microdata on their influence on selected labor markets has been used to forestall policy reform efforts. (Author/RDN)

Reviews concepts of aptitude and aptitude-treatment interaction (ATI) and summarizes lessons learned in ATI research on educational treatments to help ATI research on psychotherapeutic treatments. Research design and data analysis recommendations address aptitude distributions, multivariate aptitude complexes, detective work with scatterplots,…

Examines the influences contributing to greater population increases in some ethnic groups than natural increases would normally determine. The influences of interaction among time of arrival, overall fertility and mortality trends, differential fertility, intermarriage, and subjective identification are explored. (GLR)

Uses the Integrated Public Use Microdata Series to trace race differences in African American family structure between 1880 and 1980. Confirms a long-standing high incidence rate of single parenthood and children residing without their parents. Data also show blacks have had a consistently higher percentage of extended households than have whites.…

ANOVA designs are used for description and/or explanation of developmental phenomena. These consist of taking any two of age, cohort, or time of measurement as independent variables. Employment of ANOVA has led researchers down blind alleys. Regression techniques are more useful. (Author)

The Myers-Briggs Type Indicator was administered to five classes of students (n=161) at the beginning and end of their dental education to evaluate changes in personality type. The study showed 75.8 percent of students change type during their dental education using one standard, and 11.2 percent showed changes in personality using another…

This is the first of a four-part study, funded by the National Institute of Education for the purpose of examining the function of informal social networks in school community relations in Pontiac, Michigan, from 1971 to 1981. This volume of the report (1) discusses the theoretical foundations of the study; (2) defends the validity of network…

This paper reports on research that examined longitudinal data on students entering Tennessee Board of Regents institutions of higher education after the implementation of a state-mandated developmental studies program. The program identifies and helps at-risk students to persist in college to graduation. Data analysis is presented from a 1986…

Analyzes employment and wages of recently legalized immigrants using the Legalization Application Processing System file which is based on individual records of amnesty applicants and draws comparisons with sample of foreign-born population from Current Population Surveys of 1983, 1986, and 1988. Among demographic differences of total foreign-born…

Addresses out-migration from and in-migration to metropolitan areas in the United States and particularly the effect of the social-welfare system on migration decisions. The results provide only weak support for the hypothesis that social-welfare benefits influence out-migration decisions but moderate support for its influence on in-migration.…

This publication provides a complete census and analysis of the foreign postsecondary student population studying in the United States. The report consists of five chapters. The first chapter compares "Open Doors" (a statistical compilation on foreign students) and this publication, pointing out the unique contributions of each publication as well…