A historical review of frontal and side impact regulations in the U.S.A. and Europe has been conducted. The biomechanical basis of injury criteria utilized in these regulations have been examined. It is shown that the biomechanical database utilized in the current impact regulations are based on research conducted before the mid-1980’s. Research conducted since then has not had any impact on re...

This paper extends an earlier analysis (1988) of the extent to which socialism and capitalism are consistent with behavioral principles. I first argue that a reductionistic analysis from the level of systems to that of individuals is warranted. I then propose that socialism, unlike capitalism, fails to provide environmental arrangements that are likely to effectively direct behavior in our curr...