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)

Enumerates principal management objectives of database management systems (data independence, quality, security, multiuser access, central control) and criteria for comparison (response time, size, flexibility, other features). Conventional database management systems, relational databases, and database machines used for backend processing are…

This paper examines the changing demographics of American society and the impact of these changes on higher education. Discussions include a historical background of early American demography, the building and expansion of the population base, and census changes through various generations of the baby boom years and beyond. Next, the report…

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)

This update of 1978 bibliometric study of online retrieval literature reveals that: literature has continued to grow, reaching peak annual output (504 papers) in 1981; conference literature has become centralized in four major proceedings; online retrieval papers have appeared in 479 journals; and 31 authors have contributed 10 or more papers.…

This annual review article examines the automated library system marketplace from four perspectives: turnkey circulation systems, library-developed software which may be purchased by other libraries, the microcomputer segment of market, and production of COM catalogs. Addresses of 86 turnkey vendors, software vendors, library-developed systems,…

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.…

After discussing the concepts of "white" and "black" masculinity, the article discusses the following factors constraining black male role assumption: (1) structural constraints; (2) societal constraints; (3) dysfunctional socialization messages; and (4) psychological factors. Three theories on black masculinity are discussed and their weaknesses…

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)

Discusses the development and progress of an international corpus of English (ICE) containing a regional corpora sampling of the standard varieties of English in countries where it is a first language, and the national varieties in countries where it is an official additional language. (GLR)

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…

There is a conflict between the growing burdens that humans place on the environment and the resources of knowledge and money at hand to modify and adjust these burdens. Growth in population and economic activity suggests that simply keeping pace with environmental needs is likely to become harder. This report focuses on institutions for the…

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…