Hello GentlyFeral:
All I have is a memory of an old PBS documentary in which a researcher conducted orientation-changing therapy for months or years and put together a paper to be read at a conference. (By the time the conference occurred, he had collected more info which convinced him his own paper was wrong. He tried to take it off the program, but I can't remember if the conference organizers insisted on it being presented or not. Anwyay, he told everyone at the conference that his own "de-gaying" therapy program didn't work.
Are you thinking of Dr. Gerald Davison, professor of psychology at USC? In 1971 (?) he developed a treatment for homosexuality called "Orgasmic Reorientation." Along with his "research," he made a documentary film of how this therapy would work. He initially believed in his therapy -- but by the time it was shown at the American Psychological Association -- he knew all of his "research" wasn't effective.
Ted