“…The YPI‐S reportedly map onto the interpersonal, affective and behavioural domains of psychopathy across several countries, including Belgium (Colins, Noom, & Vanderplasschen, ), Italy (Fossati et al, ), Sweden (Colins & Andershed, ) and the United States (Gillen, MacDougall, Forth, Barry, & Salekin, ). In addition, the factors, which were invariant across gender (e.g., Colins et al, ; van Baardewijk et al, ), correlated significantly with variables such as aggression and delinquency (Fossati et al, ; Ray, Pechorro, & Gonçalves, ) and other self‐report measures of psychopathy (Gillen et al, ). Others have suggested that the YPI‐S is useful to assess for psychopathic behaviours in clinical settings (Gillen et al, ) and to document changes in psychopathic features from adolescence to emerging adulthood (Hawes, Mulvey, Schubert, & Pardini, ).…”