Surveys most important intellectual abilities for physics students. Found four factors: visualization; mathematics; logic; and problem solving. Explores the variations between respondent classification (researcher, teacher) and student goal (physicist, scientifically aware layman) on the ratings. (Author/YP)

Reviews a study that analyzed the inquiry-oriented matriculation tests of 12th-grade biology students (N=3650) in Israel for the purpose of finding the interrelationships among 21 process skills. Discusses the seven factors that emerged from factor analysis and indicates the theoretical and practical implications of the findings. (ML)

Discusses the complicating effects of ambivalence on the validity of science attitude measurement scales. Cites studies indicating that the positive and negative effects about a particular psychological object are not necessarily bipolar. Suggests the use of factor analysis to check dimensionality in instruments. (TW)