What Happens During an Autism Evaluation?
The short answer
An autism evaluation typically involves multiple professionals including a developmental pediatrician, psychologist, or multidisciplinary team. The process includes parent interviews about developmental history, standardized observation tools like the ADOS-2, cognitive and language assessments, and review of development. The evaluation usually takes several hours and may be split across multiple sessions. Results lead to a clear diagnostic conclusion and recommendations.
Parents everywhere have the same worry. You are doing the right thing by looking into it.
By Age
What to expect by age
Evaluations at this young age focus on social communication, joint attention, play skills, and sensory behaviors. The ADOS-2 Toddler Module can be used for children as young as 12 months. Diagnosis at this age is possible but may be provisional.
This is a common age for comprehensive evaluation. Clinicians observe social interaction, communication, play, and repetitive behaviors. Parent interviews provide developmental history. Cognitive and language testing may be included.
Evaluation is more straightforward at this age as behaviors are more observable. The process typically includes the ADOS-2, cognitive testing, language evaluation, and parent questionnaires. A clear diagnosis can usually be made.
Evaluations may also include assessment of adaptive behavior, academic readiness, and social skills. Results guide both diagnosis and educational planning.
For children not diagnosed earlier, evaluations at this age often involve school observations in addition to clinical assessment. Results help with school placement and service planning.
What Should You Do?
When to take action
- Your child has been screened and does not require comprehensive evaluation
- Your child was evaluated and autism was ruled out
- Your child is developing typically and screening was precautionary
- Your child has been referred for evaluation and you want to understand the process
- You are waiting for an evaluation appointment and want to know what to expect
- You have questions about whether your child needs an evaluation
- Your child needs evaluation but wait times are very long and development is regressing
- Your child has been diagnosed and needs intervention services to start immediately
Sources
Related Resources
Trust your instincts. If something feels wrong, reach out to your pediatrician.
Worrying about your baby means you care. That is a good thing.
Related Behavior Concerns
Worried About Autism - When and How to Screen
The AAP recommends autism screening at 18 and 24 months for all children, using the M-CHAT-R/F questionnaire. If you have concerns before these ages, you can request screening earlier. Early signs of autism may include limited eye contact, no pointing by 12 months, no words by 16 months, no pretend play by 18 months, or loss of any previously acquired skills. Trust your instincts as a parent and raise concerns with your pediatrician.
My Toddler Failed the M-CHAT Autism Screening
Failing the M-CHAT (Modified Checklist for Autism in Toddlers) does not mean your child has autism. It means additional evaluation is recommended. Many children who fail the initial M-CHAT screen do not receive an autism diagnosis after comprehensive evaluation. The important next step is to complete the follow-up interview (M-CHAT-R/F) with your pediatrician and, if indicated, pursue a developmental evaluation.
Processing Your Child's Autism Diagnosis
Receiving an autism diagnosis for your child brings a range of emotions including grief, relief, confusion, and determination. These feelings are all normal and valid. What matters most is that early intervention significantly improves outcomes. Most families find that connecting with other parents, starting services quickly, and learning about their child's unique strengths and needs helps them move forward with confidence.
Aggressive Play vs Normal Play
Rough-and-tumble play — wrestling, chasing, play-fighting, and superhero battles — is a normal and important part of child development, particularly for toddlers and preschoolers. It helps children develop physical coordination, social skills, self-regulation, and an understanding of boundaries. The key distinction between normal rough play and concerning aggression is whether both children are having fun, there is turn-taking in roles, and no one is intentionally trying to hurt the other.
My Toddler Is Aggressive Toward Pets
Toddlers being rough with pets is extremely common and almost never reflects true aggression or cruelty. Young children lack the motor control to be consistently gentle and do not yet understand that animals feel pain the way they do. With patient, consistent teaching about gentle touch and close supervision, most toddlers learn to interact safely with pets by age 3-4.
My Baby Doesn't Seem Attached to Anyone
By 7-9 months, most babies show clear preferences for their primary caregivers and some wariness of unfamiliar people. If your baby seems equally comfortable with everyone and shows no distress when separated from caregivers, it may simply reflect an easy-going temperament. However, if combined with other social differences, it can occasionally warrant further discussion with your pediatrician.