Even if we’ve been educated as engineers strictly sticking to the principle quod demonstrandum erst (which is demonstrated) and to base our thoughts on numbers, it would be a big mistake to neglect our human nature, that makes us to perceive risk, and therefore subjectively predict its consequence(s).

Subjective risk perception is certainly useful as a primary source for risk prediction and consequent prevention but it can’t help much when we want or need to manage industrial or economical processes. Continue reading →