Ellen M. Morrison

Learn More
Throughout the past decade, health maintenance organizations (HMOs) were buffeted by dramatic regulatory and competitive changes. In this article, literature of the 1980s is reviewed to update our knowledge on the HMO industry and to suggest future research. The influence of intensified competition on these organizations and the determinants of market(More)
The present paper reinterprets aphasia relative to the divergent and convergent components of Guilford's model of behavior. It suggests that some aphasiologists have defined aphasia as a convergent semantic disorder. They have determined the presence or absence of an aphasic impairment on the basis of each individual's ability to recognize and reproduce(More)
  • 1