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M Chat. PDF fileMCHATRTM (Modified Checklist for Autism in Toddlers Revised) Please answer these questions about your child Keep in mind how your child usually behaves If you have seen your child do the behavior a few times but he or she does not usually do it then please answer no.

Autism a severe disorder of development is difficult to detect in very young children However children who receive early intervention have improved longterm prognoses The Modified Checklist for Autism in Toddlers (MCHAT) consisting of 23 yes/no items was used to screen 1293 children Of the 58 children given a diagnostic/developmental evaluation 39 were.

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PDF fileThe MCHAT can be administered and scored as part of a wellchild checkup and also can be used by specialists or other professionals to assess risk for ASD The primary goal of the MCHAT was to maximize sensitivity meaning to detect as many cases of ASD as possible Therefore there is a high false positive rate meaning that not all children who score at risk for ASD will be.

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The PPV of the 2stage MCHAT now called the MCHAT with FollowUp or MCHAT/F indicates that 54% of children who screen positive are likely to be diagnosed with an ASD Broadening our scope to consider other developmental delays 89% of children who screen positive are likely to be diagnosed with a developmental delay.

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PDF fileThe MCHATR/F is a copyrighted instrument and use of the MCHATR/F must follow these guidelines (1) Reprints/reproductions of the MCHATR must include the copyright at the bottom ( 2009 Robins Fein & Barton) No modifications can be made to items instructions or item order without permission from the authors (2) The MCHATR must be used in its entirety Evidence.