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1. The first stage of the process is to identify the full range of sub-tasks that a system operator would be required to complete within a given task.
THERP is a first-generation methodology, which means that its procedures follow the way conventional reliability analysis models a machine. [3] The technique was developed in the Sandia Laboratories for the US Nuclear Regulatory Commission. [4]
A variety of methods exist for human reliability analysis (HRA). [ 3 ] [ 4 ] Two general classes of methods are those based on probabilistic risk assessment (PRA) and those based on a cognitive theory of control .
HCR is a psychology/cognitive modelling approach to HRA developed by Hannaman et al. in 1984. [1] The method uses Rasmussen's idea of rule-based, skill-based, and knowledge-based decision making to determine the likelihood of failing a given task, [2] as well as considering the PSFs of operator experience, stress and interface quality.
ATHEANA is a post-incident Human Reliability Assessment (HRA) methodology developed by the US Nuclear Regulatory Commission in 2000. It was developed in the hope that certain types of human behaviour in nuclear plants and industries, which use similar processes, could be represented in a way in which they could be more easily understood.
The Human Factors Analysis and Classification System (HFACS) identifies the human causes of an accident and offers tools for analysis as a way to plan preventive training. [1]
Some researchers have argued that the dichotomy of human actions as "correct" or "incorrect" is a harmful oversimplification of a complex phenomenon. [16] [17] A focus on the variability of human performance and how human operators (and organizations) can manage that variability, may be a more fruitful approach. Newer approaches, such as ...
He wrote books on human error, [2] including such aspects as absent-mindedness, aviation human factors, maintenance errors, and risk management for organizational accidents. [3] In 2003, he was awarded an honorary DSc by the University of Aberdeen .