ABSTRACT
Objective:To explore the personality types a nd the features of clinical subtypes of obsessive-compulsive disorder (OCD). Methods:82 cases of OCD were tested using Chinese MMPI that w as revised by MMPI normative cooperative group. We used MMPI-B auto-analysis sys tem made by Ji Shumao et al to calculate the basis scores and T scores of 73 sca les.Results:Basis scores (+K)of scales F,Hs,D,Hy,P d,Pa,Pt,Sc,(males and females)and Si,Mf(males) and K (females) on OCD group were higher that the scores of the normal group. The two-point code of T scores in O CD was 72/27.The factor analysis in 13 scales showed that there were fo ur personality factors in OCD: neuroticism factor (Hs,Hy,D,Pt), psychotic factor (F,Pd,Sc),suspicious factor( F,Ma,Pa), Social introvers ion factor (L,Si,Mf).82 cases of OCD were divided into three groups by K-means o f quick cluster analysis,T scores of 73 MMPI scale s were different among three groups (P<0.000).Conclusio n:The ps ychological features a nd comorbidity and responses to psychotherapy of three groups OCD are different.