“…However, even those for which evidence of robust psychometric properties exist, for example, the Denver Developmental Screening Test–Revised,47 the BRIGANCE Screens,48 the Child Development Inventories,49 and Parents' Evaluations of Developmental Status,9 are likely to only identify children with significant developmental delays. Further, the target of these screens is to identify the considerable proportion of the general population who have developmental delays in the motor, language, and cognitive domains, and they do not specifically identify when a child may have autism or a related PDD.…”