 He wrote that many people considered coincidence, dreams, and premonitions as sources of information above science, and said the role of the scientist was to help the public understand truth from fiction, and to prevent the spreading of erroneous beliefs.Jastrow studied the psychology of paranormal belief and viewed paranormal phenomena as "totally unscientific and misleading", being the result of delusion, fraud, gullibility and irrationality.Jastrow thought that analogies represented a more primitive way of interpreting the world.