抄録
The optimal performance was studied on the inspection and vigilance tasks for measuring steel pins. The subjects were eight healthy male students. Four of them measured the diameter of steel pins in conveyor system as well as in non-conveyor system (inspection task group). The other four watched the performance of the above inspection task (vigilance task group). In conveyor system, the both groups were engaged in their tasks for 30min. and 120min. under three different conditions as 20cm, 30cm and 40cm of the station-interval between the steel pins. In non-conveyor system, they were engaged in their tasks for 120min. only.
The results obtained were as follows:
1) The performance on the inspection and vigilance tasks in non-conveyor system was significantly better than that in conveyor system.
2) In conveyor system, both inspection and vigilance tasks were performed most effectively at the station-interval of 30cm.
3) The TAF (the function of concentration maintenance) and FF (flicker frequency) tests showed that the body burden in vigilance task was greater than that in inspection task.
