Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Albert Ellis was an influential psychologist who developed Rational-Emotive Behavior Therapy (REBT), a form of cognitive behavioral therapy that emphasizes the role of thoughts and beliefs in our emotional responses.