Are you the parent of a young child who you believe has Autism or Pervasive Developmental Disorder(PDD)? Are special education personnel in your district refusing to acknowledge this diagnosis, despite a lot of evidence? Many school districts refuse to admit that a child has autism, because they do not want to provide the special education and related services that a child needs! But this tool can be used by special education personnel to see if your child has autism.Below are 9 things that you must know about the ADOS:1. Purpose: Allows an accurate diagnosis of autism and pervasive developmental disorder2. Can be used for children who are 2 years up to adulthood.3. Takes 30-45 minutes for a qualified examiner to use this tool.4. The person using the tool must have prior education, training, and experience in using this type of diagnostic took. They must also have extensive experience with autism and PDD!5. The person using the tool must take a clinical training workshop, and at the end receive a certificate of completion. Be sure and check that any special education personnel using this tool, has a certificate of completion.6. Person should have at least 8 practice sessions to make sure that they are familiar with this diagnostic tool.7. Typically the people who are using this tool are Doctors, Clinical Psychologists, School Psychologists, Speech Pathologists, Certified Occupational Therapists etc.8. While this is not an objective test it is far from subjective. The ADOS is a schedule of observations which has been developed over several decades and has been found to be effective!9. This tool should be used in conjunction with other rating scales, such as the Childhood Autism Rating Scale (CARS)! A full developmental history of the child, a medical history, developmental and academic evaluations, testing of adaptive functioning, and information on the child’s sensory integration function, should also be included. As well as Speech Language evaluation and Occupational Therapy evaluations if needed.Parents can become very frustrated with school districts who refuse to acknowledge that their child has Autism! A private independent evaluator who is trained can also do the ADOS on your child, so you do not have to depend only on school district personnel. Bring any private evaluations to special education personnel and they must consider the results! Keep fighting your child is worth it!