At One Plus One Counselling, we provide professional, compassionate ADHD assessments in Calgary for children,
teens, and adults. Whether you're struggling to focus at work, your child is falling behind in school, or you're simply
seeking answers to lifelong challenges, our assessments offer clarity, validation, and a path forward.


An ADHD assessment follows a structured and comprehensive process designed to provide clarity and support accurate diagnosis and treatment. The assessment typically includes standardized ADHD testing, a detailed review of medical and family history, and a clinical evaluation that compares results to others within the same age group. This approach helps ensure that attention patterns are understood in context rather than in isolation.
During the assessment, clinicians look closely at how symptoms affect everyday life, daily life, and overall daily functioning. This includes identifying patterns such as being easily distracted, making careless mistakes, or struggling with time management and self control. For some individuals, especially those with the inattentive type of ADHD, challenges may be less visible but still significantly impact focus, organization, and follow-through.
The process also examines how attention and regulation difficulties influence mental well being and overall well being, including stress levels, confidence, and performance at work or school. Because ADHD presents differently across individuals, assessments consider how symptoms show up for many adults, particularly those who may have developed coping strategies that mask difficulties but still struggle to improve daily functioning.
Assessments may be conducted in person and are designed to identify strengths as well as challenges. The goal is not just to label symptoms, but to determine the best strategies for support. This often includes providing tools and recommendations that strengthen self control, reduce errors, and support more consistent functioning across settings.
Ultimately, a thorough ADHD assessment goes beyond testing alone. It helps individuals understand how their brain works, supports informed next steps, and lays the foundation for practical interventions that improve focus, productivity, and quality of life.
To diagnose ADHD, clinicians follow established diagnostic criteria as part of a structured assessment process designed to ensure accuracy and clarity. This includes evaluating core ADHD symptoms, reviewing a person’s medical history, and completing a comprehensive medical assessment to rule out other factors that may affect attention or behavior. For adults, this often involves an adult ADHD assessment, which may include formal adult ADHD testing alongside standardized ADHD testing tools.
During an adult ADHD assessment, clinicians look at how symptoms have persisted over time and how they affect work, relationships, and daily responsibilities. The goal is not only to diagnose ADHD, but to understand how attention deficit hyperactivity disorder or deficit hyperactivity disorder ADHD presents uniquely in each individual. This is especially important in adult ADHD, where symptoms may look different than they do in childhood and may be shaped by long-standing coping patterns.
Once testing is complete, results are summarized in a detailed assessment report. This report explains how the findings align with diagnostic standards and supports an informed ADHD diagnosis. It also helps guide next steps, including building an appropriate treatment plan, identifying ways to develop coping strategies, and determining whether a clinician may recommend or prescribe medication as part of care. The overall aim is to provide a clear, evidence-based diagnosis that supports effective treatment and long-term functioning.
After an ADHD diagnosis, a personalized treatment plan is created to support ongoing ADHD care and address how symptoms show up in real life. This plan is designed around the individual’s unique needs and focuses on improving mental health while reducing the impact of attention problems on work, school, and relationships. For adults with ADHD, treatment often centers on practical strategies that improve consistency, follow-through, and confidence in daily activities.
The treatment plan typically includes developing coping strategies that strengthen emotional functioning, emotional regulation, and decision-making, especially in situations where someone may act without thinking. These strategies help reduce stress, improve focus, and support better outcomes across daily activities and responsibilities. Attention is also given to habits that support long-term mental health, including sleep, structure, and sustainable routines.
Care is coordinated with a nurse practitioner or family doctor who may prescribe medication when appropriate, ensuring medical and therapeutic supports work together. This collaborative approach supports both symptom management and overall mental health, while recognizing that adults with ADHD may face different challenges than children and often require flexible, individualized solutions.
In some cases, services may begin with a short wait list, but the goal remains to provide timely, effective care that improves functioning, reduces impulsive behaviors done without thinking, and supports long-term stability. Ultimately, treatment is about helping individuals build skills that align with their goals, respect their unique needs, and support meaningful progress in everyday life.