The development of a modified semantic differential measure of school-related attitudes of grades 3-6 children is described and its validation involving 99 children is reported. Each of the four scales of this measure, Attitude Toward-School, -Language Arts, -Teachers, and -Arithmetic, was found to be unidimensional. Internal consistency estimates…

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)