Parents searching for ADHD testing sometimes assume there must be one test that determines whether a child has ADHD. Adults may expect something similar, such as a computer task, questionnaire or cognitive test that produces a definitive yes-or-no answer.
ADHD does not work that way. There is no single psychological test that independently establishes an ADHD diagnosis. Instead, clinicians evaluate patterns of attention, impulsivity, hyperactivity and functioning using multiple sources of information.
How Is ADHD Diagnosed?
ADHD is diagnosed clinically. The evaluator considers whether symptoms are consistent with diagnostic criteria, whether they occur across settings, when they began and whether they significantly affect functioning.
For children, information from parents and teachers can be particularly useful because ADHD symptoms are expected to occur in more than one environment.
Our article What Do ADHD Rating Scales Tell Psychologists? explains how Vanderbilt, Conners, BASC and other questionnaires may contribute to an evaluation.
Does Everyone Need Cognitive Testing?
Not necessarily. The appropriate evaluation depends on the referral question and the person’s history.
Some ADHD evaluations rely primarily on clinical interviews, developmental history, rating scales, school information and behavioral observations. In other situations, more comprehensive psychological testing may be useful, particularly when there are questions about learning, memory, executive functioning, processing speed or another condition.
This is why psychological testing should be selected to answer specific clinical questions rather than administered automatically to every person with an attention concern.
What About Computerized Attention Tests?
Computerized attention measures can provide information about certain aspects of attention, response patterns or impulse control, but they do not diagnose ADHD by themselves.
Someone can perform well on a structured attention task and still experience significant ADHD symptoms in everyday life. Conversely, poor performance on an attention task can occur for reasons other than ADHD.
Clinicians therefore interpret test performance within the larger clinical picture.
Why Are Working Memory and Executive Functioning Discussed With ADHD?
ADHD is frequently associated with executive functioning difficulties. A child may struggle with organization, planning, remembering instructions, starting tasks or managing multiple steps.
Working memory can also affect the ability to hold information in mind while completing a task. Our article What Is Working Memory? Why It Matters for Learning and Attention explains how this ability affects classroom performance and everyday functioning.
Similarly, What Is Executive Functioning? discusses the broader set of skills involved in managing behavior and completing goal-directed tasks.
Could Something Else Be Causing Attention Problems?
Yes. Anxiety, learning disorders, sleep difficulties, emotional concerns, autism and other factors can contribute to difficulties that resemble ADHD.
For example, a child who cannot understand a reading assignment may appear inattentive because the work is too difficult. A child experiencing significant anxiety may become distracted by worry.
Our article ADHD vs Anxiety in Children: How Can Parents Tell the Difference? discusses one of the most common areas of overlap.
When Is More Comprehensive Testing Helpful?
More extensive testing may be useful when the clinical picture is complicated, when a child is struggling academically, when previous interventions have not explained the difficulties, or when parents and teachers report very different concerns.
A psychologist may then examine attention alongside cognitive abilities, academic achievement, memory, processing speed, executive functioning or emotional functioning.
Families trying to understand these different approaches may find What Is a Psychoeducational Evaluation? and What Is a Neuropsychological Evaluation? useful.
The Goal Is the Right Evaluation, Not the Most Testing
More testing is not automatically better. A useful ADHD evaluation gathers enough information to determine whether ADHD is the best explanation for the person’s difficulties and whether additional concerns should be explored.
Learn More About Autism and ADHD Testing in New Jersey
Explore our guides to autism, ADHD, and psychological evaluations, or find testing information for families in your New Jersey county.
Evaluation and Testing Guides
Autism Testing in New Jersey
ADHD Testing in New Jersey
Adult Autism Evaluation in New Jersey
Testing Information by County
Bergen County
Camden County
Essex County
Middlesex County
Monmouth County
Morris County
Ocean County
Union County