“…Indeed, like this study, other investigations have recruited samples that have consisted largely (or entirely) of non-clinical individuals, measuring narcissistic traits rather than focusing entirely on individuals who have received a clinical diagnosis of NPD (e.g., Pincus et al, 2009;Thomas, Wright, Lukowitsky, Donnellan, & Hopwood, 2012;Tritt, Ryder, Ring, & Pincus, 2010;Wright et al, 2013).…”