Evaluating Time-Shared Computer Usage

R, M. Fano has stated/ "The notion of machine-aided cognition implies an intimate collaboration betv^/een a human user and a computer in a real-=time dialogue on the solution Q? a problem, in which the two parties contribute their best capabilities. . .". ( 16) Others with considerable experience in this area have also added their support to the development of interactive time-shared computer systems to aid In this man-machine col labora tioiio J./ Indeed, from a reading of the published literature concerning both maclii ne-a i dcd cognition and time-shoring, one gets the impression that there is almost unanimous agreement that the use of such systems for tills 'intimate collaboration between a human user and a computer' produces far more pi'oductive,