“…Third-party arrangements involved consultations with relatives and other professionals to document the client's wishes and preferences in instances where the identified client had significant limitations in their ability to fully participate in the self-determination process such as older adults with dementia or minors (Clark, 1998;Nordh & Nedlund, 2017;Österholm et al, 2015). Best practices reported in the articles were informed by models such as Self-Determination Theory's (SDT) concept of client autonomy (Dennis, McCallion, & Ferretti, 2012;Lukens et al, 2013;Salazar, Noell, Cole, Haggerty & Roe, 2018), Shared Decision Making (SDM) reported by Lukens et al (2013), and the Lundy Model (Kennan et al, 2019). Use of SDT principles allowed practitioners to operationalize client self-determination beyond what the client wants (Dennis et al, 2012) as practitioners let clients lead, demonstrated respect for clients' decisions, supported clients in making their own decisions, and involved clients in program decision making and evaluation (Salazar et al, 2018).…”