Suggests an important modification to H. A. Simon's original Model of Interaction in social groups to (1) explain the emergence and organizational structure of communication, friendship, and activity patterns and (2) trace their effect on human sentiment. Indicates that the more frequently people interact with one another, the stronger their…

This paper describes and reports research on a model of the determination of behavioral intention by belief structures, derived from a theory proposed by Don Dulany in 1968. The new model construes "belief structures," and defines message variables, in ways suggestive for communication research. Findings reported support several…