Diagnosing autism spectrum disorder in community settings using the Development and Well‐Being Assessment: validation in a UK population‐based twin sample

Background Increasing numbers of people are being referred for the assessment of autism spectrum disorder ( ASD ). The NICE ( UK ) and the American Academy of Pediatrics recommend gathering a developmental history using a tool that operationalises ICD / DSM criteria. However, the best‐established diagnostic interview instruments are time consuming, costly and rarely used outside national specialist centres. What is needed is a brief,...