Psychopathy checklist: Screening version: A bifactor structure for forensic and community samples.

We evaluated competing measurement models for the Psychopathy Checklist: Screening Version (PCL:SV), one of the most widely used assessment instruments of psychopathy, which applies to clinical, forensic, and community samples. With four all-male community and forensic samples collected in Germany and the United States (nTotal = 853), we evaluated several measurement models of the PCL:SV, including correlated factor models, higher-order models,...