'Zaller's volume is a giant step forward int he development of a systematic understanding of the dynamics of public opinion ... This is a splendid contribution.' Philip E. Converse, Center for Advanced Study in the Behavioural Sciences 'A model of what social science can be at its finest, The Nature and Origins of Mass Opinion reshapes the field in ways that will reverberate throughout the study of public opinion, elections, and the relationship between elites and the mass public for decades.' John Aldrich, Duke University 'Zaller's book is the most significant contribution to the scientific study of public opinion in alomost three decades.' Larry Bartels, Princeton University