ADHD Assessment

Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common neurodevelopment disorders of childhood. It is usually first diagnosed in childhood and often lasts into adulthood. Children with ADHD may have trouble paying attention, controlling impulsive behaviors (may act without thinking about what the result will be), or be overly active (Centers for Disease Control and Prevention,

ADHD Assessment
3 components of a comprehensive ADHD evaluation

ADHD Evaluations with QbTest – what should you expect?
A diagnostic assessment for ADHD involves three main parts: gathering a clinical history through an interview with your provider, an objective measurement of symptoms using QbTest, and the completion of one or more rating scales.

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What is a QbTest?

QbTest is an FDA-cleared test measuring all 3 core symptom domains; hyperactivity, impulsivity, and inattention. QbTest is used when evaluating ADHD symptoms and measuring response to ADHD treatment. QbTest involves a 15 or 20-minute computer-based task that measures your (or your child’s) ability to maintain attention and impulse control. Meanwhile, an infrared camera tracks movements, and therefore activity, during the test. The results are based on a comparison of your (or your child’s).

How should I prepare for a QbTest?


Try to ensure adequate sleep the night before the test


Avoid consuming excessive amounts of caffeine the day of the test


If you are to be tested while on ADHD medication, please ensure that you take the medication as directed.

 Our office will schedule the test a specific number of hours after the medication is taken, depending on the type of medication.


For a child, explain that they will be taking a test on a computer which is designed to be boring.

  Inform the child that they will wear a headband during the test, but that it does not hurt. They will be seated in a room by themselves, but a family member can stand outside if helpful.

What does the test set-up look like?

The test equipment consists of an infrared camera, a headband with an infrared marker attached to it, a laptop, and a responder button, like so:

What do QbTest results look like?

Sample QbTest Reports for ADHD Assessment

Sample QbTest Reports

When will I receive my results?

The raw data is available immediately after the test is completed. However, your clinician must first interpret the data together with other relevant information. In some cases, feedback can be provided in the same appointment, but sometimes a follow-up appointment will need to be scheduled.

What are the fees?

Please note that all QBtesting is being charged on the private fee basis, and you are welcome to use your HSA or any major credit card. Fees are as follows:


First time Qbtest and report: $300


First time Qbtest for teachers, therapists and their families: $250


Subsequent Qbtest to establish medication effectiveness: $150


Subsequent Qbtest to establish medication effectiveness for Kendal Clinic patients: $100

How often will I take a QbTest?

Testing is typically completed in the following frequency:

QbTest ADHD Evaluation, Starting Treatment & Follow-up Assessment