Nudge Real-world examples of cognitive biases
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Feb 2, 2026 Tom Bowden-Green, senior marketing lecturer and co-author of Marketing and Psychology, joins to unpack seven everyday cognitive biases. He explains illusory superiority, Dunning-Kruger effects, the bias blind spot, false uniqueness in branding, illusion of validity, the pratfall effect, and misattribution of arousal. Short, sharp examples bring theory into real-world marketing contexts.
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We Overrate Our Own Superiority
- People commonly overestimate their abilities and view themselves as superior to others on positive traits.
- This illusion of superiority makes candidates and agencies wrongly assume they are the best fit.
Beginners Overclaim; Experts Underestimate
- Low-ability people overestimate their competence while experts often underestimate theirs.
- The Dunning–Kruger effect shows both beginners' inflated confidence and experts' false consensus.
We're Blind To Our Own Biases
- People spot biases easily in others but rarely in themselves, even after being informed.
- The bias blind spot makes us believe we're less biased than the average person.
