Aside from his scholarly publications and consultation with the U.S. Department of Defense in scrutinizing psychic research, one of his most popular articles is thirteen points to help you "amaze your friends with your new found "psychic powers"!", a guide to cold reading. According to Jim Alcock, "His article on cold reading, so Paul Kurtz informs me, has generated more requests for reprints than any other article in the history of the Skeptical Inquirer". The guide exploits what fascinated him in his academic research in cognitive psychology, that much deception is self-deception. He has investigated dowsing in the United States and written a book on the subject. He is one of the foremost skeptical experts on the Ganzfeld experiment. According to Bob Carroll, psychologist Ray Hyman is considered to be the foremost expert on subjective validation and cold reading.