Autism (ASD) Testing in Vancouver, WA & Portland, OR

Comprehensive Autism Evaluations for Insightful, Tailored Support

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Through our comprehensive autism testing, families gain a clear understanding of their child’s developmental profile and the personalized support strategies that can help them thrive.

As awareness of Autism Spectrum Disorder (ASD) continues to grow, many parents are seeking answers about their child’s unique behaviors, communication, or sensory experiences. If you’ve noticed differences in how your child interacts or engages with the world, you may be wondering if these are linked to ASD.

At Webb Psychological Services, our in-depth autism evaluations offer vital insights into your child’s needs and strengths. With our guidance, you can navigate the assessment process confidently, building a strong foundation for your child’s growth and well-being.

You May Be Wondering

  • Autism Spectrum Disorder is a spectrum because there’s no one-size-fits-all experience of it. Individuals with ASD may communicate, relate to others, or respond to sensory input differently, but these differences are not deficits. Instead, they reflect the rich diversity of human neurodevelopment. ASD often manifests in a variety of ways, including differences in social communication, specialized interests, or a preference for routine.

    A diagnosis can help provide a clearer understanding of behaviors or experiences that might have been previously misunderstood. While early identification is important, many adults seek an ASD diagnosis later in life to gain a deeper understanding of their identity and needs.

  • Many parents hesitate to seek an Autism Spectrum Disorder (ASD) assessment because they may assume their child’s behaviors—such as difficulty with social interactions or a strong focus on certain interests—are just part of their unique personality or typical child development. While every child is indeed unique, there are times when these differences may indicate an underlying neurodevelopmental condition like ASD.

    ASD assessments are designed to give a thorough and compassionate understanding of your child’s social, communication, and sensory experiences. These evaluations are conducted by trained professionals who are skilled at distinguishing between developmental quirks and genuine challenges. The goal isn’t just to provide a diagnosis but to offer a personalized understanding of how your child perceives and interacts with the world, helping you to better support their growth and well-being.

    If you're noticing behaviors like difficulty forming friendships, intense focus on specific interests, sensitivity to sensory input, or struggles with adapting to changes, an assessment can provide clarity and guidance.

  • Autism Spectrum Disorder (ASD) presents differently in every individual, but there are some common signs that may suggest an assessment could be helpful. If your child, teen, or even yourself exhibits some of the following behaviors, it may be time to consider an ASD evaluation:

    • Difficulties understanding social cues or forming friendships

    • Strong interests in specific topics or hobbies

    • Sensory sensitivities (e.g., aversions to certain sounds, lights, or textures)

    • A preference for routine and discomfort with changes

    • Delayed language or motor skills in childhood

    • Repetitive movements or behaviors

    • Challenges with flexible thinking or adapting to new situations

How Is Autism (ASD) Diagnosed?

At Webb Psychological Services, we aim to make Autism evaluations as clear and accessible as possible. We want you to feel confident and involved, partnering with us to help your children feel prepared and comfortable throughout the process. We’ve outlined the key steps below.

  • You can book a free, no-obligation introductory phone call with Dr. Webb directly on our website, or if you prefer, submit a contact form and we’ll help you schedule a time.

    During this brief, 15-minute conversation, we’ll hear about your child, answer any questions you may have, and explore whether a comprehensive Autism evaluation is the right fit for your family.

  • We’ll start with a virtual parent intake interview, usually lasting about 60–90 minutes. During this time, we’ll talk with you about your child’s history, your questions and concerns, and what you hope to gain from the evaluation. When it’s helpful, your child can join part of this conversation, so we can hear their perspective too.

  • In almost all cases assessments are scheduled over two separate sessions, during which your child will complete a variety of learning, thinking, and problem-solving activities. Because each evaluation is completely individualized, exact timing can vary, but total testing time is usually about 5–7 hours. We move at a pace that feels comfortable so your child can do their best—slowing down and taking breaks as needed.

    Caregivers and teachers will also receive questionnaires to help us see your child’s strengths and challenges from multiple perspectives.

    If you’d like support getting your child ready for testing, we can talk you through simple preparation tips, or you can read our recommendations here.

  • After your child’s evaluation is complete we carefully review everything we’ve gathered—their assessment results, school records (such as IEPs, 504 plans, teacher feedback, and grade reports), any counseling notes, and relevant medical information.

  • About four weeks after your child’s evaluation, we’ll meet with you for a feedback appointment to review findings, diagnoses, and any recommendations. Within 48 hours, you’ll then receive a detailed written report that you can use at home or share with your child’s school if relevant.

    For teens and young adults, we may also schedule a brief 30-min individual session to present the findings in a more age appropriate manner and answer any questions your child might have.

Easily Schedule An Autism Evaluation

We know how hectic life can get, and fitting in appointments shouldn’t add to the stress. That’s why we’ve made scheduling an evaluation for autism easy and hassle-free for families in Greater Vancouver and Portland. Use our online self-scheduler to check availability and book your free phone consultation today. Prefer to connect directly? Call us at (360) 328-7880 or email hello@webbpsychological.com. We look forward to hearing from you!

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