Notes that family researchers can examine extent of self-selection bias in samples by using range of "plausibly correlated characteristics" such as marriage and divorce public records. Provides extensive case example of analyses and discusses compensation techniques of weighting and hazard rate models. (Author/NB)

This report is one of five submitted as products of a "Study Designed to Assist Planning of Research on Significant Instructional Features in Bilingual Education Programs." The reports are intended to assist the National Institute of Education (NIE) in its plans for a major new research study in bilingual education. The present report…

Describes the evolution of national educational assessment in the United States, its present stage of development, methodological and reporting problems, and approaches applicable to assessment data. Examines how proposed approaches can be applied in the California Assessment Program and in the National Assessment of Educational Progress. (MJL)

Describes the use of sample surveys in student affairs data collection. Discusses guidelines for planning, designing, and conducting research projects which employ survey methodology. Considers survey methodology, wording of questions, survey format, and sample size. (RC)

The third workshop on marine ecosystem modeling is one in a sequence of activities designed to promote modeling as a research and management tool among Mediterranean marine scientists. Previous workshops served mainly as a forum for a familiarization with modeling, while this workshop focused on specific implementation of modeling technology. The…

This report presents the analytic plan for a study of demonstration Title I projects. The study is to be one of distributional equity: what kinds of instructional services are received by what kinds of students. It is mandated by the United States Congress and will provide the basic analysis for possible modifications in the Elementary and…