Two concepts describing human special behavior are delineated. A field experiment was designed to test whether personal belongings left as markers in public areas (i.e. cafeteria setting) function to protect a territory or to maintain a comfortable social distance. It is suggested the term territory" be restricted to situations in which the space…

To test the hypothesis that residents of larger cities are less helpful to strangers than are residents of small towns, three New Zealand towns with varying population densities were studied for helping behavior. The research confirms that population density is a reliable predictor of non-helping behavior. (RE)