Personality disorders specific scales on the basis of MMPI construction and analysis of its diagnostic effi cacy
The article contains description of personality disorders scales construction on the basis of MMPI. The work involved several stages: with the help of point-biserial correlation coeffi cient MMPI items that had statistically significant relation with IPDE raw scores for personality disorders were selected; the selected items were analyzed with Rasch model fit-indexes (UMS, WMS), herewith the correspondence indices and difficulty of statements, its meaningful correspondence to the investigated construct were assessed; the obtained scales were checked for Rasch-model major assumptions - unidimesionality and local independence. Reliability of scales was analyzed. Diagnostic efficacy was estimated with ROC-analysis.