“…Despite the importance of testing generalizability across samples, however, it is worth noting that recent work suggests that prevalence of psychopathology in undergraduate samples approximates that in the general population (Burt & Donnellan, ; Hunt & Eisenberg, ; Ibrahim, Kelly, Adams, & Glazebrook, ). Finally, the cross‐sectional design limits ability to comment on whether impulsivity operates as a vulnerability factor (see Doran et al, ; Kaiser, Bonsu, Charnigo, Milich, & Lynam, ; Riley, Rukavina, & Smith, for longitudinal findings).…”