Erik Hollnagel
- Auteur
Boeken van Erik Hollnagel
									Erik Of Southern Denmark) Hollnagel
									Erik Hollnagel
							
			Safety-II in Practice
			
			
				Safety-I is defined as the freedom from unacceptable harm. The purpose of traditional safety management is therefore to find ways to ensure this ‘freedom’.
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									Erik Hollnagel
							
			Safety-I and Safety-II
			
			
				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.
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									Erik Hollnagel
							
			FRAM: The Functional Resonance Analysis Method
			
			
				Resilience engineering has consistently argued that safety is more than the absence of failures. Since the first book was published in 2006, several book chapters and papers have demonstrated the advantage in going behind 'human error' and beyond the failure concept, just as a number of serious accidents have accentuated the need for it.
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									Erik Hollnagel
							
			ETTO Principle: Efficiency-Thoroughness Trade-Off
			
			
				Accident investigation and risk assessment have for decades focused on the human factor, particularly 'human error'.
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