“…ocf.berkeley.edu/~johnlab/measures.htm; see John et al, 1991John et al, , 2008John & Srivastava, 1999) because parents' ratings sometimes hold additional information beyond the child's (Markey, Markey, Tinsley, & Ericksen, 2002). We chose these personality instruments in particular because the Big Five factor structure of personality has been validated in both adults and children (Abe, 2005;Abe & Izard, 1999;Digman & Takemoto-Chock, 1981;Halverson et al, 2003;John et al, 2008;John, Caspi, Robins, Moffitt, & Stouthamer-Loeber, 1994;Markey et al, 2002;Scholte, van Aken, & van Lieshout, 1997) and these particular measures (Def BFI-44-C and BFI-44-Parent) have been additionally validated on the same cohort of children tested here (Rinaldi et al, 2020). Finally, with our trait of interest (openness to experience), we will also explore its subfacets of openness to aesthetics and openness to ideas (Soto & John, 2009).…”