皮特森(Petersen)模型在人失误致因分析中,菲雷尔(R·Ferrell)认为,作为事故原因的人失误的发生,可以归结为下述三个方面的原因: 1.超过人的能力的过负荷。 2.与外界刺激要求不一致的反应。 3.由于不知道正确方法或故意采取不恰当的行为。在这里,过负荷指在某种心理状态下的承受能力与负荷不适应。负荷包括操作任务方面的负荷、环境负荷、心理负荷(担心、忧虑等)及立场方面的负荷(态度是否暧昧、人际关系如何等)。人的承受能力取决 Petersen’s model In the analysis of causes of human error, Ferrell argues that the occurrence of human errors as a cause of an accident can be attributed to the following three causes: 1. Exceeding human capabilities Overload. 2. Inconsistent with the external stimulus response requirements. 3. Because they do not know the right method or knowingly take inappropriate behavior. Here, overload refers to a state of mind in the capacity and load does not adapt. The load includes the load on the operational tasks, the environmental load, the psychological load (worries, worries, etc.) and the load on the position (ambiguous attitudes, interpersonal relations, etc.). Human affordability depends