Reports data which provide a partial replication of an earlier study of changes in attitudes of Physical Science Study Committee (PSSC) physics students. Data from the present research failed to support earlier findings. Several reasons for the discrepancies are advanced. (JR)

Presents a review of the literature on a single group of variables within the attitudes to science category, namely, those described by terms such as interest, satisfaction, and enjoyment. Deals with the significance and measurement of attitudes and with the relationships between attitudes and other variables. (GS)

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)