“…The two aspects of each domain might represent the most important distinctions for discriminant validity within each domain of the FFM. Support for this premise has already been demonstrated in relation to clinical phenomena, such as schizotypy (DeYoung, Grazioplene, & Peterson, 2012) and mood disorders (Quilty, Pelletier, DeYoung, & Bagby, 2013), as well as nonclinical phenomena, such as social behavior (DeYoung, Weisberg, Quilty, & Peterson, in press) and implicit learning (Kaufman et al, 2010). In this research, we posited that the two aspects of extraversion might shed light on the relation between lower order indicators of extraversion and BAS sensitivity.…”