I was tested by a psychiatrist. There was a lengthy battery of tests, some IQ, some memory, some processing, some open ended, some multiple choice. The tests took about four sessions to complete. Once all the data was organized, she looked at the results and it clearly showed a significant scatter, which she explained was classic of AD/HD. I was then medicated and WOW! I finally knew what it was like to listen, to focus, to learn, to take notes..... (I was a senior in college.) It made a HUGE difference to me and in my life.

The nice thing about the testing is it wasn't therapy. There wasn't dredging up past experiences that were painful. It was more of a "in the last six months, have you..." kind of questions. No digging into the painful past.