Severity Indices of Personality Problems (SIPP-118): Development, factor structure, reliability, and validity.
Roel Verheul, Helene Andrea, Caspar C. Berghout, Conor Dolan, Jan J. V. Busschbach, Petra J. A. van der Kroft
Psychological Assessment · 2008
10.1037/1040-3590.20.1.23