Tests alternative theoretical models of environment-individual interaction. Findings point to the importance of person-environment fit in the areas of congregation, impulse control, and segregation in explaining morale. (Author)

Reviews several potential problems that often invalidate statistical tests of social theories. Discusses how there may be very serious identification problems in the estimation of the relationship between executions and homicides, and that serious questions may be raised regarding the validity of any particular estimation of this relationship.…