Mindfulness-based therapy groups for people distressed by hearing Voices

INTERVENTION: Participants will be allocated at random to either attending a 12 session mindfulness for voices group or to continuing with their usual mental health care. Follow Up Length: 6 month(s); Study Entry : Single Randomisation only CONDITION: Topic: Mental Health Research Network; Subtopic: Psychosis; Disease: Psychosis ; Mental and Behavioural Disorders ; Unspecified nonorganic psychosis PRIMARY OUTCOME: 1. Psychological wellbeing (CORE); 2. Mindfulness skills (Southampton Mindfulness Questionnaire); 3. Anxiety and depression [Hospital Anxiety and Depression Scale (HADS)]; 4. Self‐esteem (Rosenberg Self‐esteem Scale) ; 5. Recovery from psychosis (CHOICE); Timepoint(s): At 6 months SECONDARY OUTCOME: Fewer Voices, voice hearing experiences (Psychotic Symptom Rating Scales (PSYRATS); Timepoint(s): At 6 months INCLUSION CRITERIA: 1. Is aged 18 years or over 2. Has been experiencing distressing voices for the preceding one year period 3. Has a current International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD 10) diagnosis of schizophrenia or schizo‐affective disorder Target Gender: Male & Female; Upper Age Limit 75 years ; Lower Age Limit 18 years