"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,…

To provide a theoretical base for investigating the influence of inferential error on group decision making, current literature on both inferential error and decision making is reviewed and applied to the Watergate incident. Although groups tend to make fewer inferential errors because members' inferences are generally not biased in the same…

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)