ALARP/SFAIRP – One brain, three minds and satisficing

ALARP/SFAIRP – One brain, three minds and satisficing

by Bernard Corden

The following schematic may assist in explaining the objective and rational ALARP/SFAIRP approach and actual performance:


ALARP/SFAIRP is an objective test but is unsurprisingly littered with enough subjective terminology to keep a Philadelphia lawyer happy.

The initial response is often fast, arational and subliminal using Mind 2. The feedback loop then uses Mind 3 and satisficing starts with heuristics. (see

Much of the effort that goes into ALARP/SFAIRP is misplaced, especially using the risk matrix.

The task is not to decide how much risk is tolerable or to select a cell in the risk matrix, it is to determine the acceptable standard of risk control measure

Bernard Corden

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