“…Other personal characteristics that were significantly related to greater responsiveness included not having a diagnosis of ASD, dementia, or communication disability; being rated as having better overall health; and not needing extensive support for challenging behavior. Level of IDD, and ''speech being the primary means of expression'' had the greatest explanatory power of all the personal characteristics, pointing to the central role of cognitive and communication issues in the ability to self-report (Emerson et al, 2013;Fujiura, 2012;Stancliffe et al, 2014). These findings are consistent with previous research on self-reporting (e.g., Sigelman et al, 1980Sigelman et al, , 1981 and further confirm that it is individuals with certain characteristics whose voice is mostly being heard when studies ask people with IDD for their views.…”