Ten years ago I had never heard of human factors, yet I had lived it for decades. This blog by Guy Shockey explores why behaviour is often the output of a system, & how curiosity rather than blame helps us design teams and training so people succeed.
Why do technical dive teams lose the bigger picture in emergencies? Guy Shockey explores attentional tunnelling, distributed team awareness and the vital role of the third diver who looks wide while others solve the problem. Keep one eye in the dark.
Averted vision lets us see faint stars by not staring at them. Guy Shockey argues diving works the same way. The visible error is rarely the explanation. Look sideways at what surrounded it, in failure and in success, and the system becomes visible.
Human factors, non-technical skills and learning from emergent outcomes for the divers who refuse the bad-apple story.
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© 2026 The Human Diver