...Pedro Pechorro; Claudia Mazzeschi; Carlo Garofalo; Elisa Delvecchio; Matt DeLisi Purpose Antagonistic personality traits such as those captured in Dark Tetrad measures (narcissism, Machiavellianism, psychopathy and sadism) are an emerging area in the study of aversive and antisocial personality...

... consisting of 4 items, relating to Machiavellianism (α = 0.79), psychopathic traits (α = 0.62) and narcissism (α = 0.85). As such, the total possible score for each factor varies between 4 and 28. To measure ER abilities, the short version of the Difficulties in Emotion Regulation...

... discussion paper combining research with stalking cases, practitioner specialism, psychological theory and existing empirical literature to argue for the value of ST for addressing stalking. Narcissism was first coined by Freud (1914/1961) with the purpose of conceptualising an intra-psychic system...