Credits: Theresa Chiu. Read disclaimer here.
Inference-Based Cognitive Behavioral Therapy
Inference-Based Cognitive-Behavioral Therapy (I-CBT) is a specialized form of psychotherapy developed for individuals who experience Obsessive-Compulsive Disorder (OCD) and related conditions.
Grounded in over three decades of clinical practice and scientific research, I-CBT offers a distinct approach to understanding and treating OCD by targeting the processes that give rise to obsessions and compulsions.
We invite you to explore this website to learn more about the principles of I-CBT and to discover educational resources, training opportunities, and information for both professionals and the public.
The Doubt Illusion - New Release
The Doubt Illusion is finally here — a concise, engaging guide to understanding obsessional doubt through the lens of ICBT. Order your copy here.
Launch of the AICBT
We’re excited to announce the launch of the Association for Inference-Based Cognitive Behavioral Therapy (I-CBT), a professional community dedicated to advancing I-CBT in mental health care. Learn more or join here.
The Doubt Illusion Blog
Now live: The Doubt Illusion Blog — insights and reflections on Inference-Based Cognitive Behavioral Therapy and the nature of obsessional doubt. Visit the Blog.
The Resolving OCD Series
We’re excited to announce the release of Resolving OCD, a two-volume self-help series based on the principles of I-CBT. Learn more about the book here or purchase your copy here.
New Scrupulosity Resource
New free resource: Revisiting the Ten Commandments for the Scrupulous through the Lens of I-CBT. You can download it here.
Latest Interview
Listen to Frederick Aardema, Ph.D., in conversation with Diana Robbins, Ph.D., as he shares insights from Resolving OCD: Advanced Strategies for Overcoming Obsessional Doubt in this ADAA webinar, offering practical answers and expert guidance on tackling OCD at its cognitive core.




