Changes in coping skills and problem-solving skills were examined in two groups of schizophrenic patients. The groups received either coping skills enhancement or problem-solving treatments to reduce their drug-resistant residual psychotic symptoms. The coping skills group showed significant increases both in the number of positive coping strategies used and in their efficacy, whereas the problem-solving group showed a decrease in these measures during treatment. Both groups showed significant improvements in problem-solving skills. Changes in coping but not problem solving were significantly related to decreases in psychotic symptoms during treatment. It was concluded that treatment involving the teaching of coping skills had a specific treatment effect.

The home-based rehabilitation service was well received by the majority of patients suffering from chronic schizophrenia and led to some improvement in social behaviour, interpersonal functioning, recreational activities and quality of life.

There is a range of psychological interventions for established schizophrenia. These include family interventions, motivational interventions for substance misuse and for non-adherence to medication, cognitive remediation for neurocognitive deficits and cognitive-behavioural therapy for symptoms. Psychological interventions may explicitly target risk factors for poor outcome, such as substance use, or protective factors, such as adherence to medication, or be directed at specific symptoms or deficits. There is emerging evidence for efficacy of psychological treatments during, following and even prior to the first episode. Important areas for further study are how different treatment modalities can interact productively, and patient and carer preferences for treatment. Many trials of psychological treatments have design flaws and this tends to overestimate the treatment effect.

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