I had to take two so don't make my mistake! I first did the university of California San diago extensions course which was fine, got an A, super easy....however it was only a quarter credit. The university of Texas accepted it for their MOT pre-req but The university of st. Augustine did not which was fine until st. Augustine switched it from a "recommended" prerequisite to required. So I then took the BYU Independent study courses which is accredited and both schools accepted it and I got an A but learned a lot more! I would highly suggest BYUs but you do have to find a proctor in your city to give you the midterm and final, which may be difficult if you live in a rural area.