Thinking, Fast and Slow · Daniel Kahneman

The framing effect: how something is worded changes your choice

Curated by Paulo de Vries · reviewed 2026-06-01

The same information, worded as a gain or a loss, produces opposite decisions. '90% survive' and '10% die' are identical facts that feel completely different — and the difference quietly steers your choice.

The framing effect: the same facts lead to different decisions depending on how they're worded — 'gain' framing and 'loss' framing of identical information pull people in opposite directions.

Tell patients a surgery has a '90% survival rate' and most choose it. Tell them it has a '10% mortality rate' — exactly the same fact — and far fewer do. Nothing changed except the words, yet the decision flipped. Kahneman and Tversky showed this again and again: we don't respond to information, we respond to how it's framed.

The mechanism ties to loss aversion: losses loom larger than gains, so a loss frame ('10% die,' 'lose $5') triggers more avoidance than the identical gain frame ('90% live,' 'keep $95') triggers attraction. Marketers, politicians, and negotiators exploit this constantly — '95% fat-free' sells better than '5% fat,' a 'small surcharge for paying by card' lands worse than a 'discount for paying cash.' Same economics, different feeling.

You can't stop frames from affecting you, but you can learn to spot them and reframe. When a choice is presented one way, deliberately restate it the other way — convert the gain frame to a loss frame and back — and see if your preference holds. If your decision changes when only the wording changes, that's the framing effect steering you, not the facts.

Why it matters

Every number you're shown — by a marketer, a headline, a negotiator — arrives pre-framed to nudge you; noticing the frame is the difference between deciding on facts and being steered by wording.

A common misreading

It's not 'framing is just lying.' The facts can be 100% true in both frames — that's what makes it powerful and sneaky. The bias isn't false information; it's that true information, worded differently, moves you differently. So the defense is reframing, not just fact-checking.

Put it to work

When shown a stat ('95% fat-free', '90% success'), flip it to its opposite frame and check if you'd still choose the same.
Presenting something important? Choose the frame honestly — and notice when others have framed to steer you.
In negotiations, restate the offer as both a gain and a loss before deciding; the 'fair' version is usually between them.

Test yourself

What is the framing effect?

Show answer

The same facts produce different decisions depending on how they're worded — a gain frame and a loss frame of identical information pull people in opposite directions.

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FAQ

What is the framing effect?

A bias where the way information is presented — as a gain or a loss — changes the decision, even when the underlying facts are identical. '90% survive' and '10% die' lead to different choices.

How do you counter the framing effect?

Re-state the choice in the opposite frame: convert a gain frame to a loss frame and vice versa. If your preference flips when only the wording changes, the frame is steering you, not the facts.