Positive Psychotherapy Group Intervention of people with psychosis: A Randomized Controlled Trial.

INTERVENTION: The Intervention Group will receive treatment as usual and in addition receive the WELLFOCUS Positive Psychotherapy (PPT), a 13‐session of WELLFOCUS PPT with a group size of 8‐10 in 7 consecutive weeks (2 sessions a week) by a trained therapist and co‐therapist in a Group Therapy Room of our occupational therapy department. Each session lasts for about 1 hour and 45 min. Trained occupational therapists with a co‐therapist should conduct the sessions according to the manual of WELLFOCUS Positive Psychotherapy for psychosis Intervention Manual (Chinese) in which the session outlines, activities, scripts and materials of each session were all well documented. Session Outlines are: 1. Welcome to WELLFOCUS PPT 2. Positive Experiences 3. Savouring 4. Good Things 5. Identifying a Personal Strength 6. Personal Strengths Activity 7. At my best 8. One door closes, another door opens Identify positive conclusions from negative experiences, Meaningful self‐narrative 9. Forgiveness 1 10. Forgiveness 2 11. Gratitude 12. Looking back, moving forward 13. Celebration In order to ensure fidelity to the manual, peer observation would be arranged to make sure the implementation is based on the Chinese manual. A third party personnel who is not the member in the research team will sit in randomly in some sessions to impartially check the implementation against the session contents of the Chinese manual in order to ensure the fidelity. CONDITION: Mental Health ‐ Psychosis and personality disorders Psychosis; ; Psychosis PRIMARY OUTCOME: Personal Wellbeing is measured by a Short Chinese Warwick‐Edinburgh Mental Well‐being Scale, C‐SWEMWBS , validated locally and published. The subjects are asked to rate their overall wellbeing on the scale. ; Ng, S., Leung, T., Chan, F., Won, A. Lam, R., Tsang D. (2014). Translation and validation of the Chinese version of the short Warwick Edinburgh mental wee‐being scale for patients with mental illness in Hong Kong, East Asian Archive of Psychiatry. 24(1), 3‐9.; [at baseline and after intervention, usually within 2 weeks after the last session of the group. ] SECONDARY OUTCOME: Change on depressive symptoms is measured by Cantonese version of the Calgary Depression Rating Scale, CDSS‐C. by 2 psychiatry specialists[at baseline and after intervention, usually within 2 weeks after the last session of the group. ] General mental condition is measured by Brief Psychiatric Rating Scale, BPRS by 2 psychiatry specialists.[at baseline and after intervention, usually within 2 weeks after the last session of the group.] Hope is measured by Hope Scale. ; Snyder, C.R., Harris, C., Anderson, J.R., Holleran, S.A., Irving, L.M., Sigmon, S.T., Yoshinobu, L., Gibb, J., Langelle, C., & Harney, P. (1991). The will and the ways: development and validation of an individual‐differences measure of hope. Journal of personality and social psychology, 60(4), 570‐585. ; [at baseline and after intervention, usually within 2 weeks after the last session of the group. ] Quality of Life is measured by SF‐12 Health Survey. ; Lam, C.L.K., Tse, E.Y.Y., & Candek B. (2005). Is the standard SF‐12 health survey valid and equivalent for a Chinese population? Quality of Life Research, 14, 539‐547.[at baseline and after intervention, usually within 2 weeks after the last session of the group. ] Self‐efficacy is measured by a locally validated general self‐efficacy scale. ; ; [at baseline and after intervention, usually within 2 weeks after the last session of the group. ] Social Disability is measured by HoNOS. Health of the Nation Outcome. ; ; [at baseline and after intervention, usually within 2 weeks after the last session of the group. ] INCLUSION CRITERIA: ‐ Aged 18‐65 years old ‐ Primary diagnosis of psychosis (F20‐29) ; Chiu, F.P.F. & Tsang, H.W.H. (2004). Validation of the Chinese general self‐efficacy scale among individuals with schizophrenia in Hong Kong. International journal of rehabilitation research, 27(2),159‐161. ‐ Able to read written Chinese and speak Cantonese ‐ Willing to give written consent