Antecedent factors cover a broad range of conditions affecting privacy, such as pressures of multiple role playing, role incompatibility, need for anonymous relations and mental distance to protect the personality, to name just a few. Properties of the environment take in a broad spectrum of physical-social determinants including degree of crowdedness and confinement, group size, design and arrangement of space, availability and types of .environmental props to control informational flow and so on. Organismic factors which involve the satisfaction of personal-social motive states include need for relief from visual observations; self-evaluation; performance of bodily function, close, relaxed and frank relationships; and occasional need to escape personal identification and responsibility of full rules of behavior and role. The last component, that of behavioral responses, relates to such behaviors as physical withdrawal from view of others, physical blending with the public in open space, psychological barriers against unwanted intrusions and defensive responses through self-markers and verbal reports.