An examination of the Psychopathy Checklist: Youth Version (PCL:YV) among male adolescent offenders: an item response theory analysis
Psychological Assessment (2014) - Comment
pubmed: 25181395  doi: 10.1037/a0037500  issn: 1939-134x  issn: 1040-3590 

Siny Tsang, Alex R. Piquero, Elizabeth Cauffman