[This paper is part of the Focused Collection on Instructional labs: Improving traditions and new directions.] In recent years, physics instructional labs have been under considerable research and development. However, there seems to be no shared understanding of how the assessment of instructional labs should be arranged to best serve students'…

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…

Tests and combinations of tests for evaluating science programs that are designed to incorporate content, process skills, and problem-solving skills are discussed. Described are the use of written and practical tests, observation and discussion, and projects and written work. (CW)