You do not currently have permission to view the full text for this document. Please sign in to an account with an active subscription or contact support.
As most readers probably already know, parapsychology purports to deal with so-called psi phenomena. These are telepathy, clairvoyance, precognition (ESP=extrasensory perception), and psychokinesis (the ability to influence relative movements of material). The subject of parapsychology also includes spiritualistic phenomena produced by mediums or sensitives during séances, and the collection and study of spontaneous occurrences when any of the