Interest has recently focused on group polarization as a function of attitude processes. Several recent reviewers have challenged polarization researchers to integrate the explanations of polarization to existing theories of attitude change. This review suggests that there exists a clear similarity between the social comparison and persuasive…

"Outlier studies" identify items for which extreme differences in performance by contrasting groups occur; these extreme items are the "outliers" referred to. Review of the studies conducted on tests receiving major use in higher education reveals that though one cannot make a priori classifications of outliers with confidence,…

Examines the "Handbook of Research on Social Studies Teaching and Learning's" section on context effect. Reviews influences that shape social studies, including research, student groups, family environment, mass media (especially television), testing, curriculum mandates, and local-to-national community pressures. (CH)