One thing that is immediately obvious is that the new criteria could be applied to a much larger and more diverse population than the criteria in the DSM-III. A nonspeaking boy of six who rocked in a corner all day would fill the bill, as would a woman in her late twenties who reflexively averted her eyes when speaking and calmed herself by knitting while inwardly fancying herself the real-life equivalent of Sarah Jane Smith on Doctor Who.
