“…), access to psychosocial support for doctoral and postdoctoral trainees is important because the lack of this support (or perceived lack of support) can have a negative effect on trainee confidence or efficacy in their ability to perform and succeed, in turn leading to attrition or dropout (Abedi & Benkin, 1987;Littlefield, Taddei, & Radosh, 2015;Maher, Wofford, Roksa, & Feldon, 2018). Empirical evidence has shown that psychosocial support can come from a variety of sources including supervisors, nonsupervisor faculty, and peers (Baker, Pifer, & Griffin, 2014;Flores-Scott &, Nerad, 2012;Gardner, 2007;Gotlieb et al, 2019;Grant-Vallone & Ensher, 2000;Jazvac-Martek et al, 2011;Lovitts, 2001;Meschitti, 2019), each of whom may provide different types of resources and advice. We also know that interpersonal relationships, both supervisory and peer, provide important social and psychological support for student success in many dimensions (Curtin et al, 2016;Weidman & Stein, 2003), and we expect that cohort members provide this support for career development, as well.…”