“…However, social and ethical concerns present challenges to their involvement, and put them at risk of exclusion ( Brooker et al, 2014 ; Feldman, Bosett, Collet, & Burnham-Riosa, 2013 ; Northway, 2014 ). For example, the mistreatment and marginalization of people with intellectual disability and their varied degrees of cognitive impairment, give rise to concerns about the ability to make participation decisions and to safely manage research participation experiences ( Fisher, Cea, Davidson, & Fried, 2006 ; Freedman, 2001 ; McDonald, Kidney, Kimmel, et al, 2009 ).…”