Contrary to what was posted by Moneytrainer, the Impact Trainings have not been studied by a University.
In the press release attached to the link, the primary source is listed as Albert Reizeker, the director of Life Studies at the University of New England. Upon personally contacting the University of New England, I was told that there is no Albert Reizeker associated with the school and
Forum:
Large Group Awareness Training, "Human Potential"