The Quantitative Checklist for Autism in Toddlers (Q-CHAT) is a parent-report 25 item questionnaire that aims to capture traits that may be related to autism in toddlers aged 18 –
Learn moreThe PDD Behavior Inventory (PDDBI) is a rating scale filled out by caregivers or teachers that was designed to assess children having a Pervasive Developmental Disorder (PDD; autism, Asperger disorder,
Learn moreThe Childhood Autism Spectrum Test or CAST (formerly the “Childhood Asperger’s Syndrome Test”) is a 39-item, yes or no evaluation aimed at parents. The questionnaire was developed by ARC (the
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