Drift into Failure by Sidney Dekker

Author:Sidney Dekker
Language: eng
Format: epub
Publisher: CRC Press

The key to the normalization of deviance is that this process, this algorithm, repeats itself. And that successful outcomes keep giving the impression that risk is under control. Success typically leads to subsequent decisions, setting in motion a steady progression of incremental steps toward greater risk. Each step away from the previous norm that meets with empirical success (and no obvious sacrifice of safety) is used as the next basis from which to depart just that little bit more again. It is this decrementalism that makes distinguishing the abnormal from the normal so difficult. If the difference between what "should be done" (or what was done successfully yesterday) and what is done successfully today is minute, then this slight departure from an earlier established norm is not worth remarking or reporting on. decrementalism is about continued normalization: It allows normalization and rationalizes it.

Experience generates information that enables people to fine-tune their work: fine tuning compensates for discovered problems and dangers, removes redundancy, eliminates unnecessary expense, and expands capacities. Experience often enables people to operate a socio-technical system for much lower cost or to obtain much greater output than the initial design assumed.39

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