The Etto Principle Efficiency Thoroughness Trade Off

Author : Professor Erik Hollnagel
Publisher : Ashgate Publishing, Ltd.
ISBN 13 : 1409485994
Total Pages : 115 pages
Book Rating : 4.95/5 ( download)

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Download or read book The ETTO Principle: Efficiency-Thoroughness Trade-Off written by Professor Erik Hollnagel and published by Ashgate Publishing, Ltd.. This book was released on 2012-10-01 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accident investigation and risk assessment have for decades focused on the human factor, particularly ‘human error’. This bias towards performance failures leads to a neglect of normal performance. It assumes that failures and successes have different origins so there is little to be gained from studying them together. Erik Hollnagel believes this assumption is false and that safety cannot be attained only by eliminating risks and failures. The alternative is to understand why things go right and to amplify that. The ETTO Principle looks at the common trait of people at work to adjust what they do to match the conditions. It proposes that this efficiency-thoroughness trade-off (ETTO) is normal. While in some cases the adjustments may lead to adverse outcomes, these are due to the same processes that produce successes.

Author : Erik Hollnagel
Publisher : Ashgate Publishing, Ltd.
ISBN 13 : 9780754676775
Total Pages : 166 pages
Book Rating : 4.73/5 ( download)

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Download or read book The ETTO Principle written by Erik Hollnagel and published by Ashgate Publishing, Ltd.. This book was released on 2009 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accident investigation and risk assessment have for decades focused on the human factor, particularly 'human error'. This bias towards performance failures leads to a neglect of normal performance. It assumes that failures and successes have different origins so there is little to be gained from studying them together. Erik Hollnagel believes this assumption is false and that safety cannot be attained only by eliminating risks and failures. The alternative is to understand why things go right and to amplify that.The ETTO Principle looks at the common trait of people at work to adjust what they do to match the conditions. It proposes that this efficiency-thoroughness trade-off (ETTO) is normal. While in some cases the adjustments may lead to adverse outcomes, these are due to the same processes that produce successes.

Author : Erik Hollnagel
Publisher : CRC Press
ISBN 13 : 1317033604
Total Pages : 135 pages
Book Rating : 4.08/5 ( download)

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Download or read book The ETTO Principle: Efficiency-Thoroughness Trade-Off written by Erik Hollnagel and published by CRC Press. This book was released on 2017-11-01 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accident investigation and risk assessment have for decades focused on the human factor, particularly 'human error'. Countless books and papers have been written about how to identify, classify, eliminate, prevent and compensate for it. This bias towards the study of performance failures, leads to a neglect of normal or 'error-free' performance and the assumption that as failures and successes have different origins there is little to be gained from studying them together. Erik Hollnagel believes this assumption is false and that safety cannot be attained only by eliminating risks and failures. The ETTO Principle looks at the common trait of people at work to adjust what they do to match the conditions - to what has happened, to what happens, and to what may happen. It proposes that this efficiency-thoroughness trade-off (ETTO) - usually sacrificing thoroughness for efficiency - is normal. While in some cases the adjustments may lead to adverse outcomes, these are due to the very same processes that produce successes, rather than to errors and malfunctions. The ETTO Principle removes the need for specialised theories and models of failure and 'human error' and offers a viable basis for effective and just approaches to both reactive and proactive safety management.

Author : Professor Erik Hollnagel
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.83/5 ( download)

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Download or read book The ETTO Principle written by Professor Erik Hollnagel and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : David D. Woods
Publisher : CRC Press
ISBN 13 : 131706528X
Total Pages : 328 pages
Book Rating : 4.89/5 ( download)

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Download or read book Resilience Engineering written by David D. Woods and published by CRC Press. This book was released on 2017-11-01 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: For Resilience Engineering, 'failure' is the result of the adaptations necessary to cope with the complexity of the real world, rather than a breakdown or malfunction. The performance of individuals and organizations must continually adjust to current conditions and, because resources and time are finite, such adjustments are always approximate. This definitive new book explores this groundbreaking new development in safety and risk management, where 'success' is based on the ability of organizations, groups and individuals to anticipate the changing shape of risk before failures and harm occur. Featuring contributions from many of the worlds leading figures in the fields of human factors and safety, Resilience Engineering provides thought-provoking insights into system safety as an aggregate of its various components, subsystems, software, organizations, human behaviours, and the way in which they interact. The book provides an introduction to Resilience Engineering of systems, covering both the theoretical and practical aspects. It is written for those responsible for system safety on managerial or operational levels alike, including safety managers and engineers (line and maintenance), security experts, risk and safety consultants, human factors professionals and accident investigators.

Author : Erik Hollnagel
Publisher : CRC Press
ISBN 13 : 1317059794
Total Pages : 167 pages
Book Rating : 4.90/5 ( download)

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Download or read book Safety-I and Safety-II written by Erik Hollnagel and published by CRC Press. This book was released on 2018-04-17 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety has traditionally been defined as a condition where the number of adverse outcomes was as low as possible (Safety-I). From a Safety-I perspective, the purpose of safety management is to make sure that the number of accidents and incidents is kept as low as possible, or as low as is reasonably practicable. This means that safety management must start from the manifestations of the absence of safety and that - paradoxically - safety is measured by counting the number of cases where it fails rather than by the number of cases where it succeeds. This unavoidably leads to a reactive approach based on responding to what goes wrong or what is identified as a risk - as something that could go wrong. Focusing on what goes right, rather than on what goes wrong, changes the definition of safety from ’avoiding that something goes wrong’ to ’ensuring that everything goes right’. More precisely, Safety-II is the ability to succeed under varying conditions, so that the number of intended and acceptable outcomes is as high as possible. From a Safety-II perspective, the purpose of safety management is to ensure that as much as possible goes right, in the sense that everyday work achieves its objectives. This means that safety is managed by what it achieves (successes, things that go right), and that likewise it is measured by counting the number of cases where things go right. In order to do this, safety management cannot only be reactive, it must also be proactive. But it must be proactive with regard to how actions succeed, to everyday acceptable performance, rather than with regard to how they can fail, as traditional risk analysis does. This book analyses and explains the principles behind both approaches and uses this to consider the past and future of safety management practices. The analysis makes use of common examples and cases from domains such as aviation, nuclear power production, process management and health care. The final chapters explain the theoret

Author : Professor Erik Hollnagel
Publisher : Ashgate Publishing, Ltd.
ISBN 13 : 1472420748
Total Pages : 363 pages
Book Rating : 4.49/5 ( download)

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Download or read book Resilience Engineering in Practice written by Professor Erik Hollnagel and published by Ashgate Publishing, Ltd.. This book was released on 2013-11-01 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Resilience engineering depends on four abilities: the ability a) to respond to what happens, b) to monitor critical developments, c) to anticipate future threats and opportunities, and d) to learn from past experience - successes as well as failures. They

Author : Nancy L. Black
Publisher :
ISBN 13 : 9783030746124
Total Pages : 0 pages
Book Rating : 4.27/5 ( download)

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Download or read book Proceedings of the 21st Congress of the International Ergonomics Association (IEA 2021) written by Nancy L. Black and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 21st Congress of the International Ergonomics Association (IEA 2021), held online on June 13-18, 2021. By highlighting the latest theories and models, as well as cutting-edge technologies and applications, and by combining findings from a range of disciplines including engineering, design, robotics, healthcare, management, computer science, human biology and behavioral science, it provides researchers and practitioners alike with a comprehensive, timely guide on human factors and ergonomics. It also offers an excellent source of innovative ideas to stimulate future discussions and developments aimed at applying knowledge and techniques to optimize system performance, while at the same time promoting the health, safety and wellbeing of individuals. The proceedings include papers from researchers and practitioners, scientists and physicians, institutional leaders, managers and policy makers that contribute to constructing the Human Factors and Ergonomics approach across a variety of methodologies, domains and productive sectors. This volume includes papers addressing the following topics: Healthcare Ergonomics, Health and Safety, Musculoskeletal Disorders, HF/E Contribution to cope with Covid-19.

Author : Erik Hollnagel
Publisher : Routledge
ISBN 13 : 1351955934
Total Pages : 213 pages
Book Rating : 4.35/5 ( download)

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Download or read book Barriers and Accident Prevention written by Erik Hollnagel and published by Routledge. This book was released on 2016-12-05 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accidents are preventable, but only if they are correctly described and understood. Since the mid-1980s accidents have come to be seen as the consequence of complex interactions rather than simple threads of causes and effects. Yet progress in accident models has not been matched by advances in methods. The author's work in several fields (aviation, power production, traffic safety, healthcare) made it clear that there is a practical need for constructive methods and this book presents the experiences and the state-of-the-art. The focus of the book is on accident prevention rather than accident analysis and unlike other books, has a proactive rather than reactive approach. The emphasis on design rather than analysis is a trend also found in other fields. Features of the book include: -A classification of barrier functions and barrier systems that will enable the reader to appreciate the diversity of barriers and to make informed decisions for system changes. -A perspective on how the understanding of accidents (the accident model) largely determines how the analysis is done and what can be achieved. The book critically assesses three types of accident models (sequential, epidemiological, systemic) and compares their strengths and weaknesses. -A specific accident model that captures the full complexity of systemic accidents. One consequence is that accidents can be prevented through a combination of performance monitoring and barrier functions, rather than through the elimination or encapsulation of causes. -A clearly described methodology for barrier analysis and accident prevention. Written in an accessible style, Barriers and Accident Prevention is designed to provide a stimulating and practical guide for industry professionals familiar with the general ideas of accidents and human error. The book is directed at those involved with accident analysis and system safety, such as managers of safety departments, risk and safety consultants, human factors professionals, and accident investigators. It is applicable to all major application areas such as aviation, ground transportation, maritime, process industries, healthcare and hospitals, communication systems, and service providers.

Author : Dik Gregory
Publisher :
ISBN 13 : 9780115531200
Total Pages : 114 pages
Book Rating : 4.03/5 ( download)

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Download or read book The Human Element written by Dik Gregory and published by . This book was released on 2010-04-29 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a wide range of consultations with maritime organisations, the guide was produced by organisational psychologists gs partnership ltd, for consortium partners UK Maritime and Coastguard Agency, BP Shipping, Teekay Marine Services, and the Standard P&I Club. Aimed at everyone in the shipping industry, the Guide explains the fundamental aspects of human behaviour, which together constitute what the commercial maritime sector calls 'the human element'. It makes clear that the human element is neither peripheral nor optional in the pursuit of a profitable and safe shipping industry. The Guide clearly shows that managing the human element must take place simultaneously at all levels of the industry. Analysis of continuing shipping disasters has increasingly implicated the human element. The loss of life, the impact on company profits and credibility, and the vast environmental damage that can result from the loss of even a single vessel remain clear. The Guide offers insight, explanation and advice to help manage the human element more effectively, more safely and more profitably.