Human Factors Engineering

NASA’s Human Factors Analysis and Classifications System (HFACS)

In Reason’s Swiss Cheese model, there are four “slices “or tiers of human error potential, divided into two sections: an “active” layer and “Latent Factors”: preconditions, Supervision, and Organization. The goal of the Human Factors Analysis and Classification System (HFACS) is to understand human factors throughout the system rather than stopping at the operator. Most…...

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Which speed control sign is most effective, and which would be the least effective?

Let’s have a little fun while we challenge your knowledge of human factors.  Which speed control sign is most effective, and which would be the least effective? NOTE: If you have attended one of my safety training courses where I use this in the HF training, don’t ruin it for others… Membership Required You must...

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When management sends the message they are “serious” about safety

This is in my community, and I just had to share.   The back story is… Recently, a child was struck crossing the street at this intersection.  The child was “treated and released” at a local ER and will fully recover (Physically, mentally, not so sure).  Neighbors had been complaining to the police about the increased…...

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Pulling back the curtain on WHY workers fail to comply with “Cardinal Rules”

I want to thank Marcin Nazaruk for sharing this report with his LinkedIn connections.  The document below is a MUST READ and DIGEST for all safety professionals, but certainly for those who manage high-risk workplaces.  Equinor – the Norwegian Oil and Gas Company, with associated companies such as ConocoPhillips, Vår, or Aker BP, as part…...

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Classic “error trap” – Trap Door Design (2)

When you see it… Another “error trap,” which is actually and literally an “error trap waiting to get tripped.” Some may simply say… “this is an accident waiting to happen“ An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.“… Membership Required You must be a member...

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Classic “error trap” – Trap Door Design

When you see it… Classic “error trap” – no pun intended but this is truly a “trap” door An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Classic “error trap” – Bottle Top

When you see it… Classic “error trap” – Bottle cap An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Classic “error trap” – EXIT Door (#2)

When you see it… Error Trap 101- Exit Door Confusion An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Classic “error trap” – EXIT Door

When you see it… Error Trap 101- both get you out the door; one summons a “welcoming committee” soon after you exit! An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member?...

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Classic “error trap” – damned if I do and damned if I don’t

When you see it… Classic “error trap” – damned if I do and damned if I don’t An “error trap” is defined as “a condition or circumstance that provides fertile ground for mistakes to happen.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Independent review finds majority of safety incidents with human elements unintentional (NSW Govt)

The NSW Resources Regulator has published a fact sheet on its human and organizational factors data review.  The Regulator engaged the Keil Centre to independently review its human and organizational factors analyses over the past five (5) years, where HUMAN ERROR and DELIBERATE NON-COMPLIANCE played a role in incidents.  The review looked at 267 incidents…...

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Human failure in incidents and accidents

It is unfortunate that the phrase “human error” has become virtually meaningless through over-use and that it is usually interpreted to mean that the person at the “sharp end” was at fault by committing some form of error or violation.  It is easy to be misled and to believe that human errors arise because of…...

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