CAST Test - Free Online Autism Screening for Children (Ages 4-11)

Take the Childhood Autism Spectrum Test (CAST) to screen for autism spectrum conditions in children aged 4-11. This validated parent-rated questionnaire helps identify autism-related behaviors.

Childhood Autism Spectrum Test (CAST)

Please answer the following questions about your child's behavior and development. This questionnaire is designed for children aged 4-11 years. Answer based on your observations of your child over the past 6 months.

Question Count
39
Estimated Time
10–15 min

Important Note

This screening tool is not a diagnostic instrument. A diagnosis of autism spectrum disorder can only be made by a qualified healthcare professional after a comprehensive evaluation. If you have concerns about your child's development, please consult with a healthcare provider.

Learn More About Autism Spectrum Conditions

Understanding autism spectrum conditions can help you better support your child. Read our comprehensive guide to learn more about autism, its characteristics, and available support.

Read Autism Guide
This test is for educational and self-reflection purposes only. It is not a diagnostic tool. If you are experiencing mental health concerns, please consult a qualified healthcare professional.

References

  • Scott, Baron-Cohen, Bolton, Brayne (2002). The CAST (Childhood Asperger Syndrome Test). Autism. 10.1177/1362361302006001003
  • Williams, J. G., Allison, C., Scott, F. J., et al. (2005). The CAST (Childhood Asperger Syndrome Test): Test accuracy. Autism, 9(1), 45-68. 10.1177/1362361305049029

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