ADHD testing that looks at the whole picture.
ADHD is one of the most commonly suspected, and most commonly misidentified, conditions in children and adults. A quick screening can't tell you what's really going on. Our evaluations assess attention, impulsivity, executive functioning, and emotional regulation to give you answers you can trust and recommendations that actually work.
What ADHD actually looks like — beyond the stereotypes.
ADHD presents differently depending on age, gender, personality, and environment. The child who can't sit still is the version most people recognize, but ADHD also shows up as the quiet daydreamer or the anxious perfectionist. It can look like an adult who has always felt like they're working twice as hard for half the results.
In children
Young children with ADHD often struggle to follow multi-step directions, wait their turn, or stay seated during activities that require sustained focus. Teachers may describe them as “bright but inconsistent,” performing well one day and struggling the next with no clear explanation.
But not all ADHD looks hyperactive. The inattentive presentation is easily missed, especially in girls: the child who stares out the window, loses track of assignments, and takes two hours to complete twenty minutes of homework. These children are often described as “spacey” or “unmotivated” rather than recognized as struggling with a neurological difference.
Emotional dysregulation is another hallmark that parents recognize but schools often overlook. Meltdowns over seemingly small frustrations, difficulty transitioning between activities, and intense emotional reactions can all point to ADHD, particularly when they co-occur with attention and organizational challenges.
In teens
Adolescence introduces new demands that can unmask ADHD previously managed through parental scaffolding and simpler academic expectations. Middle school brings multiple teachers, rotating schedules, long-term projects, and heavier organizational demands. For many students with ADHD, this is where the struggles become visible.
Teens with ADHD may show a widening gap between their ability and their grades. They understand the material but forget to turn in assignments. They can hyperfocus on interests but cannot sustain effort on tasks they find unstimulating. Time management becomes a chronic struggle, and procrastination escalates to crisis-level patterns.
Social and emotional challenges intensify as well. Impulsivity affects friendships and decision-making. Self-esteem suffers as teens internalize the message that they're “not trying hard enough.” Anxiety and depression frequently develop alongside ADHD during adolescence, making accurate diagnosis both more important and more complex.
In adults
Adult ADHD looks different from the childhood version because adults have had decades to develop compensatory strategies, some helpful and some costly. Many adults with undiagnosed ADHD describe chronic difficulty with organization, time management, and follow-through. They start projects with enthusiasm but struggle to finish them. They miss deadlines and lose track of commitments, and they experience persistent frustration about the gap between their potential and their output.
Relationship patterns often reflect ADHD as well: difficulty listening attentively, forgetting important details, emotional reactivity, and inconsistency that partners interpret as a lack of caring. Work performance tends to be uneven, exceptional in high-interest areas and unreliable in routine tasks.
Many adults arrive at our practice after a child's diagnosis prompts them to recognize the same patterns in themselves. Others have been treated for anxiety or depression for years without full relief because the underlying attention difference was never identified. A comprehensive evaluation brings clarity to patterns that have been confusing for a lifetime.
How we evaluate for ADHD.
A thorough ADHD evaluation uses multiple data sources because no single test or questionnaire can diagnose ADHD. Here is what the process includes.
Clinical interview
A 60–90 minute meeting with parents (for children/teens) or the individual (for adults) to review developmental history, school and work functioning, family history, and the specific concerns that prompted the evaluation. This meeting can be conducted in person or via telehealth.
Standardized testing
Multiple measures of attention, impulsivity, processing speed, working memory, and executive functioning, administered across two to three in-person sessions. We also assess cognitive ability and academic achievement to understand how attention difficulties interact with the broader learning profile.
Behavioral rating scales
Questionnaires completed by parents, teachers, and the individual (when age-appropriate) that capture ADHD-related behaviors across settings. These scales provide critical data about how symptoms manifest in everyday life, not just during a structured testing session.
Behavioral observation
Direct observation of attention, effort, frustration tolerance, and self-regulation throughout the testing sessions. How someone approaches tasks (their pacing, self-monitoring, response to difficulty) is often as informative as the test scores themselves.
Interpretation and report
Dr. Hickson Barez integrates all data sources into a comprehensive written report with clear diagnostic impressions and specific, actionable recommendations for school, home, and treatment. The report is written in plain language that parents, educators, and other professionals can all use.
Feedback session
A 60–90 minute meeting to discuss findings, answer questions, and develop a plan. For children and teens, this is typically a parent meeting; for adults, the individual attends. We explain not just the diagnosis but the specific patterns the evaluation revealed and how to use the recommendations effectively.
ADHD, anxiety, or a learning difference?
One of the most consequential errors in clinical practice is mistaking one condition for another. ADHD, anxiety, and learning disabilities can all produce similar surface behaviors: difficulty concentrating, avoiding schoolwork, inconsistent performance, and emotional reactivity. But the underlying mechanisms are entirely different. Interventions that help one condition can be ineffective or even harmful for another.
A child with a reading disability may appear inattentive because they've lost the thread of instruction they couldn't decode. A child with anxiety may look distractible because their mind is consumed by worry rather than the task at hand. A child with ADHD may seem anxious because they're chronically behind and overwhelmed by disorganization.
Our evaluation is designed to untangle these overlapping presentations. By assessing cognitive ability, academic skills, attention, executive functioning, and emotional factors in a single comprehensive evaluation, we can identify not just which conditions are present but how they interact. This matters because treatment for co-occurring conditions requires a different approach than treatment for any single diagnosis alone.
Adult ADHD evaluation.
If you're an adult wondering whether ADHD might explain lifelong patterns of disorganization, restlessness, or underperformance relative to your abilities, you are not alone. Research suggests that the majority of adults with ADHD were never diagnosed as children, particularly women, people of color, and those with predominantly inattentive presentations.
Adult ADHD evaluation at our practice follows the same rigorous, multi-method approach we use with children and teens. We assess attention and executive functioning using adult-normed measures, gather a detailed history to determine whether symptoms were present in childhood (a diagnostic requirement), and evaluate for co-occurring conditions like anxiety and depression that may complicate the picture.
Adults frequently describe the evaluation experience as validating. Patterns that seemed like personal failures (chronic lateness, difficulty finishing projects, a mind that won't quiet down) reframe as a neurological difference that responds to specific strategies and, when appropriate, medical treatment. The evaluation provides both a framework for self-understanding and a practical roadmap for meaningful change.
Questions about ADHD testing.
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Reviewed by
Dr. Corinne Hickson Barez, PhD
Licensed Clinical Psychologist (PSY17257) with 30+ years of experience. Founder of Complete Family Services, Inc. in Torrance, California. More than 20 years of experience as a court-appointed 730 Child Custody Evaluator. Author of the forthcoming Life's Lessonschildren's book series. Co-author of a chapter in The Handbook of Juvenile Forensic Psychology.
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Wondering if it's ADHD? Let's find out together.
A phone consultation is the best place to start. We'll listen to your concerns, answer your questions, and recommend the right next step, whether that's an evaluation or something else entirely.