After reading this chapter, you will be able to do the following:

• Discuss differing theories about public opinion formation and expression and the degree to which it is meaningful.
• Describe the issues involved in transmitting and measuring American public opinion and the construction of the instruments used to do so.
• Examine the sources of individual political attitudes and preferences.
• Debate the power of individuals, events, and people’s interpretations of events to make lasting change in American politics.