Posner's theory of conceptual change forms the background for this study which focuses upon conceptual ecology, specifically upon the heuristics children appear to employ in sense-making. The study focuses upon two children who demonstrate remarkably different sense-making heuristics; a recognizably scientific one and one that involves the…

In an attempt to find out more about how creative people engage in thinking, more than 50 men and women considered to be prominant in the humanities, the arts, and the sciences were interviewed. Letters, diaries and autobiographies of other creative individuals were examined in an effort to provide a broad base for studying the psychology of…

A number of studies have reported that there is a strong tendency to ignore base-rate information in favor of individuating information, except when the former can readily be incorporated into a causal schema. In this study, students in eight undergraduate classes were given problems in which the base-rate information was either causal or…

Provides an interim report on a project whose goal is to provide subject access to the knowledge of mankind at least as well as the skilled reference librarian. Classification and concept formation are discussed in terms of four modules: diagnostics of information-seeking behavior, network interface, subject access, and graphic interface. (EM)