Expertise and Technology

Erik Hollnagel

Ph.D., Professor, Professor Emeritus


Hoc, J.-M-., Cacciabue, P. C. & Hollnagel, E. (Eds.) (1995). Expertise and technology: Cognition and human-computer cooperation. Hillsdale, NJ: Lawrence Erlbaum Associates.


The technological development have changed the nature of industrial production so that it today no longer is a question of a human working with a machine, but rather that a joint human-machine system performs the task. This development, which started in the 1940's, has become even more pronounced with the proliferation of computers and the invasion of digital technology in all wakes of working life. The first area where radical changes took place was administration and clerical work - including such trades as typesetting and technical drawing. We are now seeing a similarly drastic change in the industrial process domain. Process automation has long been used to improve the efficiency and safety of industrial production, but the availability of cheap but powerful computers is at this time producing fundamental changes

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