This document describes the construction/simulation software called Stella which can be used in the investigation of dynamic causal models. Topics considered are its built-in perspective of system dynamics and capabilities, its potential drawbacks, and its cognitive implications for educational applications. (JJK)

The literature on human aggression is large and diverse. Some of it is theory-driven, but much of it dwells on solving social problems rather than on building general models and research paradigms. This paper examines some of the research programs and theoretical emphases in aggression research and presents theory convergences to see how these…