Eighty randomly selected male participants in the April 1971 pcace demonstration in Washington, D.C. were approached by a young womenEv ho asked them to help her friend who was feeling ill. The “friend” was a young maleE, in either conventional or “hip” clothing, who was displaying either a “Support Nixon” or a “Dump Nixon” sign. The dependent variable was a 5‐point ordinal scale of cooperation with a series of specific requests, which ranged from going over to the distressedEto providing bus fare and help for bothEsto leave the area and go home. All 80 Ss went to theEand 79 helped to some extent. There was more helping behavior in the morning than in the afternoon, when the program of activities had intensified; with Ss who were tested in the afternoon, theEdisplaying a “Support Nixon” sign attracted less helping behavior than the “Dump Nixon” condition. The dress manipulation (implicit attitudinal