“…Overlooking the concept of opportunity as an explanandum is a limitation in the current theorization, given that opportunity is implicitly referenced and identified as necessary for just outcomes (Hammell, 2016(Hammell, , 2017aPereira, 2017;Rivas-Quarneti et al, 2018;Stadnyk et al, 2010;Whiteford & Pereira, 2012;. The importance of opportunity as a concept was raised by multiple authors whose papers did not fit the criteria for our review (Angell, 2014;Bailliard, 2016;Brennan & Gallagher, 2017;Hammell, 2015Hammell, , 2017bHammell & Beagan, 2017;Lorenzo, 2004;Thomas et al, 2017). Since occupational scientists have not intentionally theorized opportunity, it leaves a gap in fully understanding how just outcomes may be achieved.…”