Autism Spectrum Disorder (ASD) presents a unique set of challenges and strengths that can vary greatly from one individual to another. Comprehensive and systematic evaluation becomes vital to understanding and addressing the individual needs associated with autism. This blog post introduces a set of 29 curated checklists to aid in the recognition, assessment, and management of autism.

The Purpose of Autism Checklists

Checklists play a crucial role in guiding observers, whether they are parents, educators, or healthcare professionals, through the process of identifying traits associated with ASD. They act as structured tools, allowing for a consistent and detailed account of behaviors and milestones that are pertinent:

  • Identifying early signs of autism
  • Structuring observation for reporting to professionals
  • Guiding discussions with healthcare providers
  • Monitoring progress and response to interventions

The Value of Comprehensive Evaluation

Each of the 29 checklists provided here targets specific areas of importance and offers a step-by-step approach, ensuring a comprehensive evaluation of the individual in various contexts, such as:

  • Social Interaction: These checklists help assess the complexity and quality of social exchanges, from nonverbal communication to relationship building.
  • Communication Skills: Language development and use are crucial in ASD assessment and these checklists facilitate the documentation of both verbal and nonverbal communication abilities.
  • Behavioral Patterns: Repetitive behaviours and routines are common in individuals with ASD. The checklists aid in tracking these patterns and understanding their impact on daily functioning.
  • Sensory Processing: Distinct checklists cater to the evaluation of sensory sensitivities, advancing a better grasp of the sensory experiences of individuals with autism.

Important Considerations: Limitations of the Checklists

The use of checklists for Autism Spectrum Disorder (ASD) can aid in the assessment and understanding of characteristics commonly associated with ASD. Users of these checklists must recognize the boundaries and stipulations attached to their application.


Not Diagnostic Tools: These checklists are not diagnostic instruments. They are intended to be used as a guide for observation and a means to facilitate communication between caregivers, educators, and health professionals. They should not be used as a substitute for a professional evaluation.

General Nature: The items on the checklists are general indicators that may or may not pertain to an individual with ASD. The presence or absence of any one indicator is not definitive proof of the presence or absence of autism.

Cultural and Personal Variability: ASD manifests uniquely across different cultures and individuals. Consequently, these checklists may not encapsulate all the nuances of autism as experienced by every individual.

Confidentiality: Respect for privacy is fundamental; any information gathered through the use of these checklists should be treated as confidential and handled in accordance with applicable legal and ethical standards.

Follow-Up: Flagged concerns should prompt referrals to professionals who can conduct comprehensive assessments and provide appropriate support or intervention.

29 Autism Checklists

  1. Modified Checklist for Autism in Toddlers, Revised (M-CHAT-R) – for toddlers between 16 and 30 months of age. Autism Speaks, M-CHAT Screen
  2. Autism Checklist – for children aged 2 to 5 years old. Center for Autism and Related Disorders
  3. Social Communication Questionnaire (SCQ) – for children aged 4 years and older. Autism Research Centre, National Autistic Society
  4. Autism Spectrum Quotient (AQ) – for adults, Embrace Autism
  5. Autism Spectrum Quotient-Children’s Version (AQ-Child) – for children aged 4 to 11 years old- NIH
  6. Centers for Disease Control and Prevention (CDC) – Offers free resources and information on autism, including screening tools and checklists.
  7. World Health Organization (WHO) – Provides information on autism, including diagnostic tools and resources.
  8. National Institute of Mental Health (NIMH) – Offers information on autism, including research studies and diagnostic tools.
  9. Autism Speaks – Provides free resources and information on autism, including screening tools and checklists.
  10. American Academy of Pediatrics (AAP) – Offers information on autism, including developmental milestones and screening tools.
  11. Autism Science Foundation – Provides free resources and information on autism research, including screening tools and checklists.
  12. Autism Society of America – Offers free resources and information on autism, including screening tools and checklists.
  13. National Autism Association (NAA) – Provides free resources and information on autism, including screening tools and checklists.
  14. Autism Research Institute (ARI) – Offers free resources and information on autism, including screening tools and checklists.
  15. The National Institute of Child Health and Human Development (NICHD) – Provides information on autism research and screening tools.
  16. National Institute on Deafness and Other Communication Disorders (NIDCD) – Offers resources and information on autism and communication impairments.
  17. Autism Spectrum Disorder Foundation (ASDF) – Provides free resources and information on autism, including screening tools and checklists. The ASDF also offers financial assistance to families affected by autism who require therapy, medical care, or other support.
  18. The Kennedy Krieger Institute – Provides free resources and information on autism, including screening tools.
  19. The Yale Child Study Center – Offers free resources and information on autism, including screening tools and checklists.
  20. The Marcus Autism Center – Provides free resources and information on autism, including screening tools.
  21. The Autism Research and Treatment Center at the University of California, San Diego – Offers free resources and information on autism, including screening tools and checklists.
  22. Gilliam Autism Rating Scale – Third Edition (GARS-3) – for children of all ages Pearson Assessments, Autism Research Institute
  23. Childhood Autism Rating Scale (CARS) – for children of all ages. Western Psychological Services, Autism Research Institute
  24. PDD Behavior Inventory (PDDBI) – for children of all ages. Western Psychological Services, Autism Research Institute
  25. Developmental Behavior Checklist (DBC) – for children of all ages.
  26. Social Responsiveness Scale – Second Edition (SRS-2) – for children of all ages.
  27. Asperger Syndrome Diagnostic Scale (ASDS) – for children and adolescents aged 5 to 18 years old. Western Psychological Services, Autism Research Institute
  28. Autism Spectrum Rating Scales (ASRS) – for children and adolescents aged 2 to 18 years old.
  29. Autism Diagnostic Observation Schedule (ADOS) – for children of all ages.
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