Psychosis implies an alteration of one's reality, with specific beliefs and sensory experiences that affect one's judgment and capacity to function socially. Previously, medication alone was believed to attenuate or eliminate psychotic symptoms; however, more than two decades of empirical evidence now support the use of cognitive behavior therapy (CBT) for psychosis, including group CBT for psychosis.

Group CBT for Psychosis offers the first published group therapy module of its kind and is suitable for a broad range of mental health professionals. Group therapy for people with...