Research on assessing the cultural fairness of individual test items is reviewed, with emphasis on Birnbaum's three-parameter logistic model. As defined in this review, differential item characteristics are exhibited when examinees from one group have a lower probability of answering correctly than do examinees of equal ability from another group.…

Data were extracted from the public use samples of the 1970 and 1980 United States censuses in order to (1) determine how successful the American media have been in hiring more racial minorities and women, (2) evaluate how changes in the media labor force correlate with changes in the nature of the news and information that the news media produce,…

Innovative methods devised to obtain the desired number of Anglo, Mexican American and American Indian women for a study of the health of recently widowed low income women are explored. Social and health service agencies proved generally unable to assist by contacting their clients. Different techniques were found to be successful for recruiting…

Generalizability theory was used to analyze the dependability of elementary school student ratings of attitudes toward school subjects. The rating scales under investigation have been developed to measure the attitudes of students toward four school subjects at both the primary and intermediate levels. Two generalizability coefficients, differing…

Project TALENT, a large scale, long range, longitudinal study, is designed primarily to provide insights into the characteristics and development of American adolescents. In order to compare trends in test results, a comprehensive battery of Psychological, educational, and personality measures were administered to participants in the 1960, 1970,…

This paper was intended to promote a deeper understanding of a statistical method called balancing developed by National Assessment of Educational Progress. Problems in estimating main effects when populations are disproportionate, balancing solutions to these problems, methods equivalent to balancing, interpretation of balanced results, and some…

A study was conducted in the field of auto mechanics under a research grant from the Vocational Education Branch of the Iowa Department of Public Instruction to provide data necessary for future curriculum planning. Objectives included the analysis of the automotive repair field to determine jobs performed, the time spent in major areas, level of…

The experience of four University of California campuses (Los Angeles, Riverside, Santa Barbara, Santa Cruz) buying into a national survey is reported. Participation was cost-effective, enabled local results to be highlighted and reported in locally determined ways, and provided perspective on differences between local and nationwide conditions.…

This article on sampling early semantic productions reports a study of 6 children (ages 31-35 months) with specific language impairments. Subjects produced a greater frequency and diversity of multiword utterances in a free-play sampling situation than in a joint action routine sampling situation. (JDD)

Evidence is presented that strengthens the argument against comparison group research strategies. Results from a study of youth attitudes related to the California Conservation Corps involving 528 participants and 668 comparisons indicate that the comparison group may not adequately represent the nontreatment state. (SLD)

Purpose: Making good consumer decisions requires having good information. This study compared long-term-care recommendations among various types of health professionals. Design and Methods: We gave randomly varied scenarios to a convenience national sample of 211 professionals from varying disciplines and work locations. For each scenario, we…

The National Education Longitudinal Study of 1988 (NELS:88) is the third major study in the National Center for Education Statistics program of longitudinal studies about the achievement and characteristics of elementary and secondary school students. NELS:88 began with a base year survey of eighth grade students in 1988, followed up at 2-year…

Typically, the Ph.D. degree is said to be more research-oriented, whereas the Ed.D. degree is aimed more at the educational practitioner. The two degrees were compared with regard to research design, statistics, target populations for inference of findings, and other characteristics. A sample of 1,007 Ph.D. and 960 Ed.D dissertations was selected…

Six methods of equating Test of English as a Foreign Language (TOEFL) test scores for samples consisting of the usual groups of examinees and groups controlled for native language representation were evaluated in terms of scale stability. The equating methods included three item response theory (IRT) variants (fixed b's scaling, a one-parameter…

The Research Triangle conducted an evaluation study of the Upward Bound Program, a nationwide program funded by the U.S. Office of Education to help selected low-income high school students prepare for and enter post secondary education. This paper describes the sample design and selection procedures used in selecting a sample of Upward Bound…