Cognitive Reliability and Error Analysis Method by E. Hollnagel

By E. Hollnagel

The turning out to be dependence of operating environments on advanced expertise has created many demanding situations and bring about plenty of injuries. even though the standard of association and administration in the paintings atmosphere performs an incredible position in those injuries, the importance of person human motion (as an instantaneous reason and as a mitigating issue) is indisputable. This has created a necessity for brand spanking new, built-in ways to coincidence research and probability evaluate.

This publication detailing using CREAM is, as a result, either well timed and worthy. It offers an errors taxonomy which integrates person, technological and organizational elements in response to cognitive engineering rules. as well as the required theoretical beginning, it offers a step by step description of the way the taxonomy might be utilized to examine in addition to expect functionality utilizing a context-dependent cognitive version.

CREAM can be utilized as a second-generation human reliability research (HRA) strategy in probabilistic defense evaluate (PSA), as a stand-alone process for coincidence research and as a part of a bigger layout technique for interactive structures. specifically, using CREAM will allow approach designers and probability analysts to: • determine initiatives that require human cognition and for this reason depend upon cognitive reliability • ascertain the stipulations the place cognitive reliability and resulting possibility should be decreased • supply an appraisal of the implications of human functionality on method defense which might be utilized in PSA.

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These are difficult to make because the possible developments depend on complex interactions between technology, people, and organisations. In order for predictions to be reliable and valid they must be made using a welldefined method, an adequate classification scheme, and a sound model of the constituent phenomena. Together this constitutes a Method-Classification-Model (MCM) framework that is introduced in Chapter 4 and completed in Chapter 5. In Chapter 5 a characterisation is given of nine frequently used first-generation approaches to HRA, using the MCM framework of Chapter 4 as a common basis.

To be fair, much of this development has been accomplished by people with an engineering rather than a psychological background, since few psychologists have responded to the problems of PSA-cum-HRA. ) The consequences of the PSA-cum-HRA relation will be discussed more extensively in the following chapters. 3. C O G N I T I V E R E L I A B I L I T Y A N D E R R O R A N A L Y S I S M E T H O D It is common to include in the beginning of a book a short rationale for why it has been structured as it is and to add a summary of the chapters.

1 Structure Of The Book Chapter 1 has provided a basic introduction to the issue of Human Reliability Analysis (HRA). The basic motivation for HRA is the pervasiveness of human erroneous actions, and the widespread tendency to see human action failures as the causes for accidents and incidents. The need better to understand the nature of the cause-effect dependencies that can explain the occurrence of undesirable events, hence also be the basis for preventing them, has generated a number of analysis techniques that will be described in Chapter 5.

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