A pilot 1-year follow-up randomised controlled trial comparing metacognitive training to psychoeducation in schizophrenia: effects on insight.

With regard to positive and negative psychotic symptoms and disorganisation, effect sizes did not reach significance, although MCT was superior to psychoeducation at an almost significant large effect size in terms of depression ( d = 0.76, P = 0.05), which was significant for the PANSS excitement factor ( d = 1.21, P = 0.01), at T2.

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