Key takeaways

  • The framing effect is the tendency to choose differently when the same offer is described in different words.
  • In Tversky and Kahneman's 1981 disease problem, 72 percent chose the sure program when it was described by lives saved, but 78 percent chose the gamble when the same choice was described by deaths.
  • Prices framed small, by the month or as a minor step up, make each next purchase in a chain feel trivial.
  • The best defense is to restate every offer the other way, and as a total in dollars, before you decide.

At a glance

In one line
Choosing differently when the same offer is described in different words, such as gains instead of losses.
First described by
Amos Tversky and Daniel Kahneman, 1981
Original study
Tversky, A., and Kahneman, D. (1981). The framing of decisions and the psychology of choice. Science, 211(4481), 453 to 458.

The framing effect is easy to state: the same offer, described two ways, gets chosen differently. Meat labeled 75 percent lean sounds better than meat labeled 25 percent fat, though it is the same meat. A price of $1 a day feels lighter than $365 a year, though it is the same price.

This matters for spending because sellers choose the words, and most of us take the description we are given. Learn to restate an offer in its other frame, and many purchases that sounded small start to look like what they are.

The 600 people and the two programs

In 1981 the psychologists Amos Tversky and Daniel Kahneman published a short paper in Science called “The framing of decisions and the psychology of choice.” Their respondents were students at Stanford University and the University of British Columbia, who answered brief questionnaires in class.

The best-known question asked students to imagine that the country was preparing for an unusual disease expected to kill 600 people. One group of 152 students chose between two programs. With Program A, 200 people would be saved. With Program B, there was a one-in-three chance that all 600 would be saved and a two-in-three chance that no one would be. Seventy-two percent chose Program A, the sure thing.

A second group of 155 students got the same situation, worded by deaths. With Program C, 400 people would die. With Program D, there was a one-in-three chance that nobody would die and a two-in-three chance that all 600 would. Now 78 percent chose the gamble, and only 22 percent chose Program C. Yet A and C are the same program, and so are B and D. Only the wording changed.

Money worked the same way. Offered a sure gain of $240 or a 25 percent chance at $1,000, 84 percent took the sure gain. Offered a sure loss of $750 or a 75 percent chance of losing $1,000, 87 percent took the gamble.

The authors’ summary: with gains, people tend to play it safe, and with losses, they tend to take risks. They called the effects large and systematic, though by no means universal. The effects held for money as well as lives, were not limited to hypothetical questions and did not go away with money incentives. People usually do not notice that another frame exists, or how it would change their choice. Tversky and Kahneman compared it to two mountains whose apparent heights can reverse as you move.

One finding stands out for shoppers: you rarely see the frame you were not shown, so you have to build it yourself.

Lean beef and three kinds of frames

Later work brought the effect into the grocery aisle. In 1988 the researchers Irwin Levin and Gary Gaeth had consumers rate several qualities of ground beef labeled either 75 percent lean or 25 percent fat. The lean label got more favorable ratings. But its pull shrank after people tasted the meat. In the authors’ account, real experience with a product dilutes the effect of the words.

A decade later, Levin and two colleagues sorted framing into three kinds: risky choice framing, like the disease problem; attribute framing, like lean or fat; and goal framing, which describes what you gain by acting or lose by not acting. They proposed that positive frames work better for attributes, and negative frames work better for goals.

Why the wording wins

The simplest reason is that we take the description we are given. Restating an offer takes effort, and nothing in a store prompts us to do it.

Gains and losses also feel different. A choice framed as something to keep makes people careful, and the same choice framed as something to lose makes them willing to gamble. A positive word like lean colors the whole product, not just the number beside it. And an offer framed as something you will miss pushes harder than the same offer framed as something you will get, which is where framing meets loss aversion.

How small frames add up

Picture a $1,200 sofa sold as $50 a month for 24 months. That sounds manageable, so you buy it. Next to the new sofa, the old rug looks tired, and the store offers a new one at $30 a month. Then a side table at $15 a month, framed the same way. Each step looks tiny next to the last, which is how a single purchase turns into the Diderot effect. Add it up: $95 a month for 24 months, or $2,280, nearly twice the sofa you set out to buy. Few people would say yes to $2,280 on a single line. The monthly frame shrank every link in the chain.

Where sellers set the frame

Once you look for it, the chosen wording is everywhere:

  • Per day and per month prices. A subscription or a big purchase is quoted at a few dollars a day or a modest monthly sum, with the total in small print or left out.
  • Percentages instead of dollars. “Save 30 percent” sounds generous whether it means $3 or $300. A crossed-out former price frames the sale as a saving and doubles as an anchor.
  • Positive labels. Food is sold by what it is free of, or by the share that is lean, rather than by what it contains.
  • Loss-framed offers. Don’t lose your points, don’t miss out, last chance: the same deal, pitched as something slipping away.
  • Protection plans. Warranties and add-on coverage are sold as insurance, so a sure extra cost feels like safety rather than spending.

How to read the offer both ways

  1. Flip the claim. Before you decide, say the other version out loud: 75 percent lean is 25 percent fat, and a 90 percent success rate is a 10 percent failure rate. If your answer changes, the wording was doing the work.
  2. Turn every price into a total. Multiply a monthly price by the months you will pay, or a daily price by 365. For a string of add-ons, the Chain Cost Calculator adds them up, and for clothes, the Cost per Wear Calculator shows what each use really costs.
  3. Compare in dollars. Rewrite every discount as two numbers: what you save and what you still pay.
  4. Wait out the loss frame. When an offer warns you will lose something, write it down and try the 30-day rule. If you still want it at a plain total after the wait, the urgency was not the reason.
  5. Write your own frame first. Before you shop, note what you want the money to do, such as cover a trip or clear a balance, and judge each offer against that.

When a frame is worth trusting

Framing is not always a trick. A frame can carry real information: a per-use price is often the fairest way to compare two coats. Real experience helps too. When Levin and Gaeth’s consumers tasted the beef, the label mattered less, so trying a product before you commit is a fair corrective. And framing your own goals in a way that keeps you on track, such as counting a savings fund by the months of rent it covers, is a sensible use of the same habit.

The test is simple. Read the offer both ways, as a gain and as a loss, as a monthly price and as a total. If your choice survives both readings, it is your choice, not the frame’s.

A spending example

Your new phone plan is $40 a month, and the store says doubling the storage is only $5 more a month. That sounds small, so you take it, then add a $10-a-month device protection plan the same way. You now pay $55 a month, or $1,320 over two years, a price you might never have accepted as a single number.

How sellers use it

Sellers choose the frame that flatters the offer. They quote prices per day or per month instead of as totals, label food by what it lacks rather than what it contains, show discounts as percentages when the dollar amount is small, and warn that you will lose points or miss a deal. Protection plans and warranties are pitched as insurance, so a sure cost feels like safety.

How to push back

Restate every claim the other way before you decide: 75 percent lean is 25 percent fat, and $50 a month for two years is $1,200. Compare offers in dollars, not percentages. If a pitch warns you will lose something, write the item down and wait 30 days, then see whether you still want it described as a plain total.

Questions readers ask

How is the framing effect different from anchoring?

Anchoring is about the first number you see setting the scale for every number after it. Framing is about how the same facts are worded: as a gain or a loss, as lean or fat, as a daily or a yearly price. The two often work together. A crossed-out former price is a frame, since it presents what you pay as a saving, and it also works as an anchor, since the old number becomes the yardstick. Restating an offer the other way, and as a plain total, helps with both.

Is falling for a frame always a mistake?

No. A frame can carry real information, and some frames are honest ways to show what matters. Framing can also work for you, as when you describe a savings goal by what the money will do and that keeps you on track. In a 1988 study, consumers rated ground beef more favorably when it was labeled 75 percent lean rather than 25 percent fat, but the label mattered less after they tasted it. Real experience with a product is a fair check on its wording.

How does framing relate to the Diderot effect?

Framing makes each link in a Diderot chain look small. Once you own a new item, the next purchase is rarely presented as a total. It is pitched as a little more a month, or as the piece that completes the room. Each step, read in that frame, seems minor next to what you already spent. Read as a plain total over the time you will pay, the whole chain often looks very different, and that is usually the moment to stop.

Sources

  1. Tversky and Kahneman (1981), The framing of decisions and the psychology of choice, Science 211(4481) The original paper, with the disease problem, the money gambles and the idea of a decision frame.
  2. Levin and Gaeth (1988), How consumers are affected by the framing of attribute information before and after consuming the product, Journal of Consumer Research 15(3) Ground beef labeled 75 percent lean or 25 percent fat, rated before and after tasting.
  3. Levin, Schneider and Gaeth (1998), All frames are not created equal: A typology and critical analysis of framing effects, Organizational Behavior and Human Decision Processes 76(2) A review that sorts framing into three kinds, risky choice, attribute and goal framing.

Page history: first published .