Examining the nature of public opinion in democratic societies, this Handbook succinctly illustrates the importance of public opinion as an instrument of popular control and democratic accountability. Expert contributors in the field provide a thorough review of a variety of theoretical and methodological approaches to the study of this timely topic. The concise but comprehensive chapters investigate the theoretical value of biological, contextual, psychological, sociological and economic perspectives when exploring public opinion. The Handbook also demonstrates useful insights that can be generated from quantitative or qualitative research designs from both an observational and experimental perspective. Furthermore, its informative assessment of the origins and structure of how public opinion is formed allows for a greater understanding of how policies are developed as a result. Providing a state-of-the-art review, this Handbook will be an excellent study resource for scholars of public opinion in political science, sociology and psychology. Political practitioners, particularly government officials, political operatives and pollsters will also find this informative and illuminating.