67 巻 (2001) 653 号 p. 201-208
In this paper, clarification of "skill" on recognition ability of visual information is tried with a game which simulates a machine operation. First, recognitions for visual information of all subjects are examined, and some differences are clarified with a value "Visual Information Dependence". Next, in order to confirm the significance of the result. a correlation of the differences with operator's viewpoints is examined. Finally, in order to verify the possibility to practical application, an effective improvement in the skill of low skilled operators is tried using a method deduced from the result.