Jeffrey Guterman describes the theory and practice of Albert Ellis's Rational Emotive Behavior Therapy (REBT) across the following issues: human nature, theory of problem formation, theory of change, and techniques. Topics include the ABC theory of REBT, the distinction between rational beliefs and irrational beliefs, and disputing irrational beliefs.
See also:
http://www.rebt.ws
http://www.albertellis.info/