“…Although in line with previous research, both in the US and internationally (e.g. Cloninger et al, 1993;Kijima et al 1996;Isen, Baker, Raine, & Bezdjian, 2009;Asch et al, 2009;Garcia, Aluja, Garcia, Escorial, & Blanch, 2012), this finding casts doubt on the reliability of the measurements. One explanation could be the low number of items in specific scales, since alpha increases with number of items (John & Soto, 2007).…”