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M-CHAT Scoring Instructions
A child fails the checklist when 2 or more critical items are failed OR when any three items are failed. Yes/no answers convert to pass/fail responses. Below are listed the failed responses for each item on the M-CHAT. Bold capitalized items are CRITICAL items.

Not all children who fail the checklist will meet criteria for a diagnosis on the autism spectrum. However, children who fail the checklist should be evaluated in more depth by the physician or referred for a developmental evaluation with a specialist.

1. No	2. NO	3. No	4. No	5. No
6. No	7. NO	8. No	9. NO	10. No
11. Yes	12. No	13. NO	14. NO	15. NO
16. No	17. No	18. Yes	19. No	20. Yes
21. No	22. Yes	23. No