Judgment Analysis provides the first theoretical and methodological summary of judgment analysis that integrates a diverse range of issues, guiding principles, and applications. The key features concern with capturing, comparing, and aggregating judgment policies. The book is a training guide for new researchers and postgraduate students and a handbook for more experienced researchers and consultants. It is a complete methodological guide to the conduct of judgment analysis studies. It traces the history of the judgment analysis paradigm from Brunswik to present day professionals. It reviews areas of application for judgment analysis including medical, social policy, education, clinical, and consumer management. It covers the newest developments in the lens model equation, and unites information from a wide variety of sources in one volume.