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 study explored individual differences in educational disadvantage-- deficits in formal and informal education in the school, home, and elsewhere--in the SAT test-taking population. Factor analysis identified six educational disadvantage factors--four concerning the students' schools and two the students' nativity and parenting--and one family…