The Social Psychology of Collective Action

In recent years there has been a growth of single-issue campaigns in western democracies and a proliferation of groups attempting to exert political influence and achieve social change. In this context, it is important to consider why individuals do or don't get involved in collective action, for example in the trade union movement and the women's movement.
Social psychologists have an important contribution to make in addressing this question. The social psychological approach directly conc...