This volume examines the nature of human error -- its causes and origins, its classifications, and the extent to which it is possible to predict and prevent errors and their impact. One of the first texts to deal with this topic in detail, it draws into a single cohesive account contributions from experts in a range of disciplines including psychology, philosophy, and engineering. Offering an insightful discussion of fundamental and necessary questions about the nature and source of human error, the book draws significant conclusions and identifies areas worthy of further exploration. This volume will be of interest to all who are concerned with the impact human error has on both the individual and society.