“…In recent years, researchers have considered the role of paid care staff in the management of challenging behaviour (see Ager & O'May, 2001, for a review) and have attempted to determine the most effective method of training and supporting carers (both paid and unpaid) (e.g., Chatterton, 1998;Dobson, Upadhyaya, & Stanley, 2002;Gentry, Iceton, & Milne, 2001;Golden & Reese, 1996;Purcell, McConkey, & Morris, 2000).…”