“…They, among other researchers with learning difficulties, have expanded our understanding of what can be achieved in research terms from just involving people with learning difficulties in academic studies to studies in which people with learning difficulties take the lead. Such possibilities are less realisable for people with more profound difficulties, who lack the intellectual skills to be in control at every, or any, stage of the research process, or for people with autism, who may lack the required communication and social skills and flexibility of thought, making active participation rare (Beresford et al, 2004).…”