Ok, I am being a smartass.
I would expect to be asked a lot of questions, and depending on who is evaluating, and where, probably some sensory integration type tests.
My psychiatrist did some things like asking me to stand on one foot with my eyes closed (I cant' do this), and put a radio to one ear and started asking me questions (can't hear).
I am 24, so it was a lot more of me answering questions than observation, which is the majority of the diagnosis for children.
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I am indeed a "proud aspie".
There are 10 kinds of people in the world- Those that understand binary, and those who don't.