Pediatrics Book


Modified Checklist for Autism in Toddlers

Aka: Modified Checklist for Autism in Toddlers, M-CHAT Questionnaire, M-CHAT
  1. Indications
    1. Autism Screening for ages 16-48 months
    2. Recommended for periodic screening at 18 and 24 months
  2. Description
    1. Parent completes 23 question survey in 5-10 minute period
    2. Six critical questions
    3. Referral indicated if child fails more than 3 items total or 2 critical items
  3. Background
    1. Developed by Robins, Fein and Barton in 1999
  4. Advantages
    1. In public domain for use
    2. Good efficacy
    3. Available in numerous languages
  5. Efficacy
    1. Test Sensitivity: 85%
    2. Test Specificity: 93%
  6. Resources
    1. First Signs Site

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