“…Numerous studies have assessed the costs of Pis (Baumeister, 1970;Blum, 1977;Conley, 1973;Don & Amir, 1969;Krantz, Bruininks, & Clumpner, 1978;Primrose, 1972;Scheerenberger, 1978Scheerenberger, & 1979, of CRFs (Baker, Seltzer, & Seltzer, 1974;Heal & Daniels, 1978;Indiana Department of Mental Health, 1975;O'Connor, 1976;O'Connor & Morris, 1978;Peat, Marwick, Mitchell, & Co., 1976;Templeman, Gage, & Fredericks, 1982), or have attempted to com pare the costs of Pis and CRFs (Intagliata et al, 1979;Jones & Jones, 1976;Mayeda & Wai, 1975;Minnesota Developmental Disabilities Planning, 1982;Murphy & Datel, 1976;National Association of State Mental Retardation Program Directors, Inc., 1980;Nihira, 1979;Wieck & Bruininks, 1980 4. The Pis and CRFs thus far have served very dif ferent kinds of people, leading again to an applesoranges problem.…”