Describes the development of multisite qualitative research (studies that address the same question in several settings and use similar research procedures in each setting) and its use in educational research. Presents the results of a survey of 25 multisite qualitative educational studies to highlight the design's institutional and methodological…

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)

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,…

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)

Research strategies used to study human aggression include laboratory study, experimental simulation, field experiment, field study, judgment task, sample survey, and less empirical strategies such as computer simulations and formal theory. The context of these strategies can be classified as either contrived, natural, or irrelevant. Major issues…

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.…

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)