“…Objective and specific information about paraprofessional or client performance given as feedback is the most frequently used staff management techniques and has been quite successful in many studies. The types of feedback resulting in maintenance of paraprofessionals' behavior include daily or weekly feedback, usually in the form of graphs or charts (Greene, Willis, Levy, & Bailey, 1978;Johnson & Frederiksen, 1984;Korabek et al, 1981;Panyan, Boozer, & Morris, 1970;Prue, Krapfl, Noah, Cannon, & Maley, 1980;Quilitch, 1975;Shook et al, 1978;Welsh et al, 1973), verbal feedback (Brown, Willis Ford, 1980;Iwata et al, 1976;Katz et al, 1972), and observations of their own behavior previously recorded on videotape (Bricker, Morgan, & Grabowski, 1972;Dowrick & Johns, 1976).…”