A compilation and examination of data with the aim of demonstrating the possible existence of spirits independent of the human body and to validate their ability to communicate with humanity. According to J. Hewat McKenzie 's summary in his book Spirit Intercourse, (1916), the following claims fall within the proper research perimeters of psychic science:
Abstractly, psychic science might seem to be but a focus within psychical research or parapsychology, however, in practice, it has functioned as a synonym of Spiritualism. The foundation of various British societies and colleges of "psychic science" and the dropping of the term "Spiritualist" in favor of "psychic science," without any appreciable redirection of program stems from the Spiritualist's claims that their religion can be scientifically demonstrated.