The 3di includes the following features: • a dimensional assessment of the severity of features associated with a diagnosis of autism • the ability to generate automatically diagnoses of more than 20 childhood psychiatric disorders using ICD-10 or DSM 5 criteria – so allowing the assessment of comorbidity in relation to autism • automatic production of comprehensive reports detailing information collected in the interview; the major reports are suitable for parents and referrers with minimal editing • high reliability • high agreement with the ADI-R’s ASD algorithm • Software and training available in Turkish