Discusses the role of research methodology as disciplined inquiry in educational research. Uses examples to address issues of generalizability of results, precision, and choice of research methods. (MK)

Discusses issues to consider when investigating behavioral effect of foods, including idiosyncratic response to particular food, necessity of identifying individual sensitive to food being studied, necessity of including washout phase, consideration of withdrawal effects, assessment of change, dietary challenge, and time parameter necessary for…

The development of the between-class, within-class analysis has facilitated a more refined analysis of classroom processes and influences: those which affect a class as a whole, a student within a class, or an individual student independent of context. However, a problem arises in using a between-class, within-class analysis to infer a particular…

Describes the use of repeated-measures designs in the study of whole families, specifically differences in perception between family members. Addresses the specific advantages and disadvantages of these designs; analysis of variance and multivariate analysis of variance applications; and practical issues of assumptions, multiple comparison,…

The effectiveness of knee braces in preventing knee injuries in football is inconclusive. This article reviews research from epidemiologic, cadaver, and surrogate studies; discusses reasons for conflicting study results, including research design problems; and describes alternative approaches that have been suggested. (IAH)

This review of the procedures involved in using path analysis provides guidelines for more effective future utilization of recursive path analysis in the field of family studies. (Author)

Discusses research strategy and data collection methods in field studies of unapprehended illegal immigrants living in the United States and suggests ways to increase the reliability and validity of interview responses. Also provides a bibliography of recent field studies of undocumented immigrants. (Author/GC)

Evaluations involving nonrandom assignment to treatment or control groups are vulnerable to an accidental or intentional confounding of a selection effect with the treatment effect. Two techniques, discriminant analysis and base expectancy analysis, permit separate estimation of the selection and treatment effects in the final results. (Author/CTM)

Further development of research regarding the effectiveness of parent education programs depends upon a shift in conventional strategies of program evaluation. Current evaluation methods have been dominated by an interest in the outcomes of parent education programs. It is suggested that program evaluations should examine relationships between…

Discusses the past inadequacies and omissions of Asian American studies. Discusses the need to further the understanding of the Asian experience in the United States through critical scholarship, fresh perspectives, and new approaches to the study of Asian diaspora, such as exploring the international dimension. (JS)

Possible causes for the discrepancy between the ABT report on the national Project Follow Through and the Saint Louis, Missouri program were discussed: (1) ABT data were positively biased because of non-random, differential attrition from the program and control groups; (2) positive ABT data were due to use of a particular cohort group; or (3)…

Reviews several potential problems that often invalidate statistical tests of social theories. Discusses how there may be very serious identification problems in the estimation of the relationship between executions and homicides, and that serious questions may be raised regarding the validity of any particular estimation of this relationship.…

Statewide assessment data available from two school years, two grade levels, and five sources (achievement tests; student, principal, and teacher questionnaires; and principal interviews), were aggregated to more closely investigate the relationship between student/school characteristics and student achievement. To organize this large number of…

A review of existing evaluations of medical, educational, and counseling services for pregnant adolescents and young parents reveals methodological weaknesses. Among the suggestions for improving evaluative studies are recommendations for proper selection of control groups, improved analytic procedures, and formulation of realistic goals. (MH)

This report discusses ways to determine why female Federal employees earn less than male Federal employees. Two general approaches are discussed: economic analysis and job content. Economic analysis attempts to measure and explain existing wage differentials between men and women using characteristics of individuals, occupations, and the…