Nejc Sedlar
Lecturer in psychology at the University of Aberdeen and researcher on normalization of deviance who explains the concept and its application to high-risk industries in the episode.
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Feb 14, 2026 • 35min
Can 'normalisation of deviance' help to explain a catastrophe?
Professor Sidney Dekker, expert on safety in complex systems, and Dr Nejc Sedlar, psychology researcher on normalization of deviance, join James Bullen, senior producer who recounts Challenger and other disasters. They unpack how small accepted shortcuts become normal, where this shows up in high-risk fields, and what organizational habits and pressures allow dangerous drift toward catastrophe.
