<prompt> M CHAT is used as screening tool for:AutismHypothyroidismADHDPartial hearing defect  <response>: Ans: A. Autism. Neslon Paediatrics 19thch. 28Modified checklist for AutismMCHAT:The M-CHAT, a 23-item yesno checklist for parents was adapted from the Checklist for Autism in Toddlers CHAT. The checklist is quick and easy to fill out by many parents, with a literacy level cited at the 6th grade, and the scoring is straightforward.Modified Checklist for Autism in Toddlers M-CHAT Designed to screen for autism at 24 months of age. More sensitive to the broader autism spectrum. Uses the 9 items from the original CHAT as its basis. Adds 14 additional items 23-item total. Unlike the CHAT, however, the M-CHAT does not require the screener to directly observe the child. Makes use of a YesNo format questionnaire. YesNo answers are converted to passfail responses by the screener. A child fails the checklist when 2 or more of 6 critical items are failed or when any three items are failed.Educational points: GADS is a screening tool for differentiating between Asperger Syndrome and general autism. The Gilliam Aspergers Disorder Scale GADS is a tool for assisting the diagnosis of Asperger syndrome. The diagnostic checklist for diagnosing autism in children aged 16-48 months is MCHAT Modified Checklist for Autism in Todlers. Asperger syndrome is a form of autism. People with Asperger syndrome may find difficulty in social relationships and in communicating. A unique characteristic of Asperger syndrome is that they might be intellectually gifted in a certain area. 