Perception failure mode

All these failure modes can falsify information, or delay or falsify perception. The difference between falsification of information and falsification of perception is that in the first case information cannot be perceived, and in the latter case the information is overlooked even though it is displayed. 

For a safety program to be effective, the safety climate needs to be supportive of the program. The safety climate includes management, workers, the physical equipment in the workplace, and the interfaces between the people and the environment. Perception surveys can be used to assess the status of the safety climate in the workplace. Key areas that perception surveys can assess include management support for safety and employees attitudes and beliefs about safety. Environmental conditions and interfaces between equipment and workers can be assessed using various system safety techniques. Examples of system safety techniques include root cause analysis and failure modes and effects analysis. 

Observe, interpret, plan and communicate Observation function aims gathering information by perception in the current situation (Endsley 1995, Flin et al. 2008). Failure modes of observation process are (Hollnagel 1998) ... 

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