• On the question of whether a behavioral science can in principle be constructed, we shall take no sides. That some kinds of human behavior can be described and even predicted in terms of objectively verifiable and quantifiable data seems to us to have been established.

    Anatol Rapoport, Albert M. Chammah (1965). “Prisoner's Dilemma: A Study in Conflict and Cooperation”, p.5, University of Michigan Press