National science assessments and international comparisons indicate that science achievement in the United States is stagnant or declining. Of the many steps needed to improve U.S. science education, the authors write, none is more important than improving teacher training and preparation. Analyses of scores on the National Assessment of…

This article describes and assesses the effectiveness of a 3-yr, laboratory-based summer science program to improve the academic performance of inner-city high school students. The program was designed to gradually introduce such students to increasingly more rigorous laboratory experiences in an attempt to interest them in and model what…