RAADS-R Test: Free Online Autism Test for Adults

Medically reviewed by Dr Neil Drew

Chartered Clinical Psychologist (BSc Hons, MSc, DClinPsy, CPsychol)

Understand Your Traits with a Structured Self-Assessment

Many adults who take the RAADS-R have spent years feeling like they process the world differently — struggling in situations others seem to find easy, or succeeding in ways that don’t quite match how they feel inside. If that resonates, this test was designed for you.

The RAADS-R (Ritvo Autism Asperger Diagnostic Scale — Revised) is one of the most widely used adult autism screening tools in the world. It was developed specifically to identify autistic traits in adults who may have been overlooked in childhood — including women, late-diagnosed individuals, and people who have spent years masking their traits.

The test takes 20–25 minutes, covers 80 questions across four areas of your life, and gives you an instant score with a clear interpretation. It’s completely free, anonymous, and requires no account.

RAADS-R Test

Want to go deeper after the test?

Once you’ve completed the RAADS-R, you can unlock a Personalised Report — a detailed breakdown of your results across all four trait domains, with clinical context, visual trait mapping, and a professional roadmap for next steps.

What the RAADS-R test measures (Ritvo Autism Asperger Diagnostic Scale–Revised)

The test assesses four key domains of autistic traits:

Language and Communication

This section evaluates difficulties with verbal and non-verbal communication, including challenges with conversational flow, interpreting tone, or understanding implied meanings, all common experiences among autistic individuals.

Sensory and Motor Responses

Many autistic adults experience sensory processing differences. This category explores sensitivities to sound, light, touch, or repetitive movements, which can influence daily comfort and interactions. Learn more about sensory & motor sensitivities in autism.

Social Relatedness

This domain looks at how you connect with others, from forming relationships to reading social cues and managing social anxiety. Persistent struggles in these areas are a core feature of autism spectrum conditions.

Circumscribed Interests and Routines

Also known as restricted or repetitive behaviours, this section examines a preference for routines, intense focus on specific topics, or resistance to change, all traits commonly associated with autism. Read more about autism demonstrating circumscribed interests.

This autism self-assessment is designed to provide a deeper understanding of how these patterns manifest in adult life. Whether you’re seeking personal insight or preparing for a conversation with a specialist, this tool can offer a strong foundation.

You can also try our other screening tools for ADHD and autism traits, or add your practice to join the UK’s leading neurodiversity directory.

RAADS-R Score Interpretation: What Your Results Mean

Scores on the test range from 0 to 240. A score of 65 or higher is considered indicative of autistic traits, though interpretation should always take context into account.

Here’s a general guide to what different score bands may suggest:

ScoreInterpretation
Below 44Typically not autistic: Many neurotypical individuals fall within this range, though some autistic people may also score this low depending on how they interpret the questions.
45–64Some autistic traits, but below clinical threshold: Traits may be present, but not to a degree that strongly suggests autism. Still, further assessment may be warranted, especially if lived experience aligns with autistic traits.
65–89Mild to moderate likelihood of autism: This is the range where autism starts to be considered. Traits are likely persistent and noticeable, though not always formally diagnosed.
90–129Moderate to strong likelihood of autism: A score in this range reflects significant traits, aligning with many common experiences of autistic adults. A diagnostic evaluation may be especially worthwhile.
130–160Very strong likelihood of autism: This band often overlaps with average scores reported by clinically diagnosed autistic individuals in research studies.
Above 160Extremely high levels of autistic traits: This suggests an intense presence of neurodivergent characteristics, typically consistent with autism spectrum conditions.

Remember, no self-assessment is definitive. Scores are best viewed as an indication, not a diagnosis, and professional evaluation is always recommended if you’re exploring neurodivergence more seriously. You may also be interested to see what happens during an adult autism assessment here.

Reliability & Criticisms

How Reliable is the RAADS-R?

The the Ritvo scale has been widely used in both clinical practice and academic research since it was first introduced in 2008. Reliability studies suggest that the test is effective at distinguishing autistic adults from non-autistic adults, particularly when combined with other assessments. To improve practicality, shorter tools have been explored, including the development of the RAADS-14 short version in 2023.

That said, no screening tool is perfect. False positives and false negatives are possible, especially for individuals with co-occurring conditions such as ADHD, anxiety, or depression. This diagnostic questionnaire should therefore be viewed as a helpful screening step, not a definitive diagnosis.

The test has been validated in multiple populations, including a 2024 German validation study of the Ritvo scale which confirmed its high sensitivity and specificity.

Criticisms of This Screening Instrument

Although this autism screening test is well established, it has faced some criticism within the autism research community:

answers depend on the individual’s own interpretation of the questions.

thresholds may not reflect the full diversity of autism presentations.

traits of anxiety, OCD, or ADHD may influence scores.

These criticisms highlight why this should be seen as a useful guide rather than a final word. Professionals often recommend using it alongside other tools and clinical evaluation.

While this specific adult autism self-test remains widely used, a recent systematic review of autism screening tools highlighted variability in accuracy across self-report instruments.

How This Autism Screening Test Helps Adults

For many adults, especially those who may not have been identified as autistic in childhood, this test can provide clarity, validation, and a starting point for further exploration. Some of the key benefits include:

The Ritvo Autism Asperger Diagnostic Scale vs Other Autism Tests

This screening instrument is just one of several recognised tools for assessing autistic traits. Each has its own strengths, and many people choose to take more than one:

A 50-item screening questionnaire designed to measure autistic traits in adults, commonly used in research and clinical settings.

Explores masking and compensation strategies often used to navigate social situations and manage autistic traits.

A shorter version of the RAADS tool, designed to screen for core autistic traits in adults who may have gone undiagnosed.

This autism screening tool stands out for its comprehensive coverage across multiple domains, but using it alongside other questionnaires can give a more complete picture of autistic traits.

You can try our Autism Quotient (AQ) Test or CAT-Q Test to complement your RAADS-R results.

Why Should You Take the RAADS-R Test?

If you’ve ever felt that your lifelong behaviours, sensitivities, or social interactions might align with autism traits, but weren’t recognised as a child, this test can offer meaningful clarity. This particularly suited for adults exploring undiagnosed autism, helping uncover patterns that standard childhood-focused assessments often miss.

This isn’t a surface-level checklist. The RAADS–r explores a broad range of traits across emotional regulation, communication, and sensory experiences, building a more complete picture of how autism may present in adulthood.

Many adults seek answers later in life, especially when childhood traits were overlooked or misunderstood. This test is tailored to evaluate behaviours that may have gone unrecognised during developmental years.

Understanding your neurotype can be transformative. The RAADS–r helps individuals identify their strengths and challenges, fostering greater self-awareness and providing direction on whether to seek a formal autism diagnosis or further support.

How Does the RAADS-R Test Work?

This autism screening test is simple to complete and designed to offer meaningful insight into lifelong autistic traits. Here’s how it works:

Reflect on your experiences across areas like emotional regulation, social interactions, sensory responses, and communication.

Once completed, you’ll receive a total score that helps indicate whether your traits are consistent with autism spectrum conditions.

Use your score to guide your next steps, whether that’s reading your detailed report, seeking professional advice, or learning more about autism in adulthood.

This test is structured to provide a clear, research-backed foundation for anyone exploring neurodivergence later in life. You can check out how the test works and it explained here.

What to Do After the test?

Taking the RAADS questionnaire is a valuable first step in understanding your neurodivergent profile, but it’s just the beginning. Whether your score was high, low, or somewhere in between, there are meaningful next steps you can take:

Get Your Personalised Report

Your detailed report breaks down your score across the four domains, explains what each category means, and helps you reflect on your results in the context of adult autism traits.

You can also read our full guide on what to do after your RAADS-R test results for next steps beyond the report.

If your results raised questions or you’re considering a formal diagnosis, our directory can help you find specialists, therapists, and assessors who understand neurodivergent experiences, many of whom offer online consultations.

If you’re wondering about reliability, we’ve looked at how accurate the RAADS-R test is in detail.

Autistic traits often overlap with other neurodivergent conditions like ADHD or sensory processing differences. Our full library of screening tests can help you gain a broader understanding of your unique profile.

Not sure what your score means? Read our RAADS-R score interpretation guide for a full breakdown of every score band.

Other Tests You Might Find Helpful

Explore traits like social interaction, communication, and attention to detail with this 50-question screening tool.

Uncover camouflaging behaviours, including masking and adapting autistic traits in social situations, with this insightful tool.

Evaluate how well you understand and respond to others’ emotions with this focused screening tool.

About the Author

Harry Sherman

Harry Sherman is the owner of NeuroDirect, a UK-based platform that provides online neurodiversity screening tools, resources, and access to qualified specialists. In this role, Harry oversees the creation, accuracy, and accessibility of content, ensuring that NeuroDirect’s tools, including the RAADS-R test, are easy to use and responsibly presented.

With professional experience in digital strategy, online platforms, and health-related technology projects, Harry has a strong background in making complex information accessible to the public. He works closely with clinicians, researchers, and advocacy groups to ensure NeuroDirect reflects current knowledge and best practice in the field of neurodiversity.

Although not a clinician himself, Harry is passionate about bridging the gap between research, digital tools, and public understanding. His goal is to create a trusted, stigma-free space where people can explore self-assessments, learn more about autism and related conditions, and take informed next steps toward professional evaluation if needed.

Medically Reviewed by

Dr Neil Drew

Chartered Clinical Psychologist (BSc (Hons), MSc, DClinPsy, CPsychol)

Frequently asked questions

Our most commonly asked questions rearding the RAADS-r Test.