Media headlines often announce that U.S. students do not shine in international comparisons in mathematics and science, but seldom does any one focus on the specifics of how instruction differs among countries and how U.S. educators can alter their practices to improve student achievement. Examining key findings from the Third International…

This article addresses the problem of ascertaining the most suitable learning environment for learning diagnostic skills in health education--specifically diagnostic reasoning and the selection of therapy--through the design, development, and evaluation of a videodisc program. It describes the design, development, and formative evaluation of a…