O F ALL POSSIBLE POLITICAL ACTIONS the voting decision has received the most attention from behavioral political scientists. Probably we have compiled and analyzed more data on candidate choice and turnout than on any other form of political behavior. Of course, this heavy emphasis comes as no surprise. The voting act is the fundamental political act in a democracy. It is the most widespread political act. Furthermore, on the surface, at least, the voting act would appear to be one of the simplest (and therefore, most understandable) political acts. A heavy scholarly focus on the voting act follows naturally from these considerations. While our data base expands, however, our theoretical superstructure remains far from finished. It is fair to say that political science has relied chiefly on models rooted in the sociological, and later the social-psychological tradition.' These models hold that