Vitesse du processus et temps partagé: planification et concurrence attentionnelle

• Autores: Jean-Michel Hoc, René Amalberti, Gwenaëlle Plee
• Localización: Année psychologique, ISSN 0003-5033, Vol. 100, Nº. 4, 2000, págs. 629-660
• Idioma: francés
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• Resumen

  • This experiment, carried out on a dynamic microworld described to the subjects as the command of units fighting against forest fires, reproduces the results of a previous experiment (Hoc & Moulin, 1994), which showed a stability in performance between a high and a low process speed. By interposing a medium speed between the two extreme speeds, the present experiment showed an optimum effect that provides us with more evidence in favour of a strategy shift. Performance stability can be interpreted as the result of shifting from a reactive strategy to an anticipative one progressively reaching the subjects' competency limit. On the other hand, by introducing conditions of timesharing task management (several fires), a progressive improvement in performance was shown in relation to the reduction of attentional concurrence at the planning step.