Perceptions of 'public opinion' and 'public' opinion expression

A large number of studies have been devoted to the impact of perceptions of opinion distributions on the expression of public opinion. In the present study we propose that perceptions of opinion distributions have implication s that go beyond influencing individual issue stances, but rather influence respondents' willingness to engage in political activities. Specifically, we examine the link between opinion perceptions and two dimensions of polit ical participation: participatory behavior involving public expression of o pinion, and participatory behavior that does not involve the public express ion of a person's opinion. Based on data collected as part of the 1996 Amer ican National Election Study, we examine the role that communication variab les, group membership, attitude strength, and perceptions of public opinion play in predicting public and non-public forms of participation in the US. Implications for research in the areas of political participation and publ ic opinion expression are outlined.