There is some evidence from research that suggests that cognitive behavioral therapy for psychosis (CBTp) might offer some advantage if offered in combination with pharmacological treatments for people with schizophrenia. There are, however, limitations in its provision due to available resource and training issues
READ FULL ARTICLE
From http://schizophreniabulletin.oxfordjournals.org/content/early/2014/07/26/schbul.sbu113.abstract.html?papetoc