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The ETTO principle : efficiency-thoroughness trade-off : why things that go right sometimes go wrong by Erick Hollnagel is a book available to read on EtoBox.

What is The ETTO principle : efficiency-thoroughness trade-off : why things that go right sometimes go wrong about?

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

Author

Erick Hollnagel

Publisher

CRC Press

Published

2009

Language

EN

ISBN

9781317033615

Subjects

Engineering, Psychology, Technology