Standardization of Symptom Checklist 90 Revised (SCL-90 -R) of a military Unit

One of the tools to detect and screening people with mental disorders is Symptom checklist 90 Revised (SCL-90 -R). This study aimed to review validity, reliability and standardization of Symptom checklist of 90 Revised (SCL-90 -R) in Sepah staffs.The research methods is descriptive - correlative and research design is standardization. In the present study, 1535 of staffs were selected through simple random sampling procedure and were studied according to factors such as sex, age, education, work experience and psychiatric disorder history. The survey tools was Symptom Checklist 90 Revised (SCL-90 -R) and Minnesota Multiphase Personality Inventory (MMPI).Results showed that the range of internal consistency coefficients (Cronbach’s alpha) of test subscales was from 0.75 to 0.90, Also the alpha coefficient of Global Symptoms Index (GSI) equal to 0.98 was determined. The test-retest consistency coefficients of subscales ranged from r=0.57 to r=0.90. correlation coefficients of SCL-90-R subscales with MMPI subscales was statistically significant. In the present research, the cut-off point in Global Symptoms Index (GSI) was determined equal to 1.06.Considering to validity, reliability, norm and cut-off point Symptom Checklist 90 Revised (SCL-90 -R) in Sepah staff, it can be used in screening of mental disorders, determining health levels and Sepah staff mental health planning