Mathews, A M Process variables and the prediction of outcome in behaviour therapy. [electronic resource] - The British journal of psychiatry : the journal of mental science Sep 1974 - 236-64 p. digital Publication Type: Journal Article ISSN: 0007-1250 Subjects--Topical Terms: AnxietyAutonomic Nervous System--physiopathologyBehavior TherapyDepressionEmotionsGalvanic Skin ResponseHeart RateHumansPhobic Disorders--physiopathologyPrognosisSemantic Differential