I am aware that there have been many books published, mainly Christian, dealing with 'proof' that homosexuality can be cured. I know that the APA treats ex-gay therapy as non-effective, but I am interested in seeing what these people who claim that it can be cured have to say.

My basic assumption is that secular psychology is likely to be a lot less biased, but the very idea that a religious group should be able to propose and 'prove' something that secular studies haven't seems a bit iffy to me.

I was wondering if anyone has done serious research into these supposed 'cures' for homosexuality. How compelling are these fabled studies and arguments?