Original sentence: A Course In Miracles or ACIM is a book devoted to spiritual teaching.According to Helen Schucman, the book's author/ scribe, it was received through the process of "Inner Dictation" between 1965 and 1978 with assistance and support of William Thetford.Inner dictation is a variant form of channeling.Schucman was a professor of clinical psychology at Columbia University in New York City
Edited sentence: " Schucman was a professor of clinical psychology at Columbia University in New York City.A Course In Miracles or ACIM is a book devoted to spiritual teaching that was claimed to have beein "received" through the process of "Inner Dictation" between 1965 and 1978 by Helen Schucman, with assistance and support from William Thetford.Inner dictation in this case is generally regarded as equivalent to the concept of "channeling