The following questionnaires endorsed by the American Academy of Pediatrics (AAP) can help a health professional determine whether a child has any developmental delays:
Although these questionnaires are important, they may not consistently identify problems, such as autism, in older children, adolescents, and young adults or in a child any age with a mild condition. However, when used routinely, they can help identify subtle developmental delays that may otherwise be missed.
WebMD Medical Reference from Healthwise