Clinicians and researchers may be chagrined by the absence of good comparative outcome data which could help us all make better informed decisions about assigning schizophrenic inpatients to the most appropriate therapy groups, particularly as regards heterogeneous vs. homogeneous diagnostic groupings. Nonetheless, the preponderance of theoretical, clinical, and pragmatic evidence, as well as the limited empirical data, support homogeneous composition for acutely psychotic schizophrenic inpatients. The present assertions regarding the advantages of homogeneous therapy groupings of schizophrenics are based on direct clinical experience, observations, and data collection from a schizophrenic Dr. Kanas and I began more than four years ago on the Psychiatric Inpatient Unit at the San Francisco VA Medical Center. The patients comprising this have been primarily male, acutely psychotic patients carrying a DSM-III diagnosis of schizophrenia. They stayed an average of about five weeks on this unlocked unit and attended an average of nine sessions. The groups were open and occurred three times weekly the first two years, increasing to four times weekly in the past two years. Despite the current lack of empirical comparative outcomes, it was empirically derived findings that stimulated the interest in and design of this homogeneous schizophrenic at the outset. In a well-controlled outcome study of therapy effectiveness on an acute psychiatric inpatient unit, Kanas et al. (1980) found that while inpatients generally benefited from therapy on objective improvement measures, a significant proportion of schizophrenic patients deteriorated in functioning when compared to those schizophrenics assigned to a no group condition. Interpreting this to mean that heterogeneous, insight-oriented therapy is ineffective or actually countertherapeutic for acutely psychotic schizophrenics, Dr. Kanas and I constructed a model of homogeneous schizophrenic treatment designed specifically for the needs of the poorly functioning schizophrenic inpatient and attempted to examine its usefulness in a series of studies (Kanas & Barr, 1982, 1983, 1984, in press; Kanas et al., in press).