“…At four of the sites, treatment was conducted by speech-language pathology students under supervision, while treatment at the other sites was conducted by experienced speech-language pathologists. In four sites, a modified version of the Camperdown Program (O'Brian, Onslow, was conducted, whereas at the other sites the La Trobe Smooth Speech Program (Block et al, 2006;Block, Onslow, Packman, Gray, & Dacakis, 2005) was used.…”