"An excellent introduction to both the methods and the principles ofpsychophysiology. It delivers well on the promise of its title, providing clearand well-organized descriptions of the basic phenomena in whichpsychophysiologists are interested and the most efficient ways in which tomeasure them. ... I would not hesitate ... to recommend this book to [those] whodesire a straighforward and uncomplicated initiation to the trials andtribulations of life with the polygraph. ... A welcome addition to the field."--Contemporary Psychology