Negativity Bias
Negative events have a greater impact on our psychological state than positive events of equal magnitude.
Negativity bias (or negativity dominance) is the notion that, even when of equal intensity, things of a more negative nature have a greater effect on one's psychological state and processes than neutral or positive things. In other words, something very positive will generally have less of an impact on a person's behavior and cognition than something equally emotional but negative.
What it looks like in the wild.
- Everyday life Review Reading A single 1-star review can undo the positive impression of ten 5-star reviews.
- Politics Attack Ads Negative political advertising is demonstrably more effective at changing voter opinions than positive ads.
Someone has already built a business on this.
Biases are not only private errors. They are design targets — patterns deliberately engineered into interfaces because they reliably work.
- Algorithms and feeds Outrage Amplification Social media algorithms preferentially amplify content that triggers negative emotions because it generates more engagement, accelerating political polarization.
Recognising a definition is not the same skill as spotting it.
Two scenarios from the app, with distractors drawn from the same family of biases — which is what makes them hard.
A person remembers the one time their partner forgot an anniversary more clearly than the fifteen years of thoughtful gestures and consistent affection, because negative events create more vivid and durable memory traces through enhanced emotional encoding mechanisms.
A person enjoys a party but later recalls only the one awkward conversation they had, thinking they made a fool of themselves.
Biases rarely arrive alone.
Understand more. Assume less.
188 biases, 18,869 scenarios, and a record of how you actually decide.
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