Rational Emotive Behavioral Therapy ("REBT") is a sub-type in the CBT-based therapy category. It focuses on identifying and disputing irrational beliefs that lead to negative emotions and maladaptive behaviors. REBT centers on the idea that irrational beliefs (e.g., "I must always succeed" or "Others must treat me perfectly") are the primary cause of emotional distress. It assumes that if irrational beliefs are identified and replaced with rational, evidence-based thoughts, then emotional distress will decrease, and more adaptive behaviors will follow.

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REBT is based on the ABC model (Activating Event, Belief, Consequence). In simple terms, it means that an event triggers a belief and that this belief translates into our reaction to the event. REBT then suggests to dispute your irrational beliefs (D) to create more rational, effective outcomes (E – Effective New Experience & Behavior).