Randomized Controlled Trial of Metacognitive Training: a Clinical Psychological Investigation - Randomized Controlled Trial of Metacognitive Training: a Clinical Psychological Investigation

The primary outcome was positive symptom score, as measured by PANSS. GAF and measures of cognitive biases were secondary outcomes. The severity of PANSS positive symptoms declined significantly in the TAU+MCT treatment group compared with the TAU group. GAF also showed significantly greater improvement in the TAU+MCT group compared with the TAU group. There was also a trend for greater efficacy of MCT on cognitive biases.