A recent article by Middlemist, Knowles, and Matter (1976) reported on a field experiment in a men's lavatory. Men who entered a "three-urinal lavatory" at a midwestern U.S. university were subjected to one of three conditions: The unknowing subjects either urinated "alone," directly adjacent to a confederate of the experimenter, or into one urinal at a distance removed from a confederate. Anot...