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 numerous injuries. even supposing the standard of association and administration in the paintings setting performs a tremendous function in those injuries, the importance of person human motion (as a right away reason and as a mitigating issue) is indisputable. This has created a necessity for brand new, built-in techniques to coincidence research and possibility evaluation.

This e-book detailing using CREAM is, consequently, either well timed and worthy. It provides an blunders taxonomy which integrates person, technological and organizational components according to cognitive engineering ideas. as well as the mandatory theoretical origin, it offers a step by step description of ways the taxonomy should be utilized to examine in addition to are expecting functionality utilizing a context-dependent cognitive version.

CREAM can be utilized as a second-generation human reliability research (HRA) technique in probabilistic protection evaluation (PSA), as a stand-alone strategy for coincidence research and as a part of a bigger layout process for interactive platforms. particularly, using CREAM will permit procedure designers and hazard analysts to: • establish initiatives that require human cognition and hence rely on cognitive reliability • be sure the stipulations the place cognitive reliability and resulting threat might be lowered • supply an appraisal of the results of human functionality on procedure safeguard which might be utilized in PSA.

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It was strongly felt by many of those involved that the classification scheme, the model, and the method could be used as the main elements in an HRA approach that would be impervious to the criticisms raised against first-generation HRA (Dougherty, 1990). This book builds on and continues the previous work, and proposes an integrated method for analysis and prediction relating to human action failures, with special emphasis on the notion of cognitive reliability. 1 Structure Of The Book Chapter 1 has provided a basic introduction to the issue of Human Reliability Analysis (HRA).

To wit, if a person performs according to the requirements of the task it implies the absence of extraneous and potentially disruptive actions. As mentioned above, the two first terms should be seen together as "cognitive reliability" - or to be more precise, as the reliability of human cognition. ) The importance of that for HRA contexts is that human performance is determined by human cognition (plus the technology, plus the organisation) and that it therefore is important to be able to account for cognitive reliability.

Chapter 4 considers the issues involved in making predictions about performance in the future. 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.

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