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The error term isn't Pareto distributed

You’re probably familiar with the 80-20 rule: when 80% of the X stems from only 20% of the Y. For example, 80% of your revenue comes from only 20% of your customer, or 80% of the logs that yo…

If we can identify the problematic red dots, we can achieve significant improvementsBut if you’re a frequent reader of this blog, you know there’s an alternative model of how incidents come to be. However, in the safety science research community this alternative model is more commonly associated with terms such as the New View, the New Look, or Safety-II. These defenses include obvious technical components (e.g.backup systems, ‘safety’ features of equipment) and human components (e.g. training, knowledge) but also a variety of organizational, institutional, and regulatory defenses (e.g. policies and procedures, certification, work rules, team training).

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