Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / The Decoy Effect How a $3 Popcorn Made Millions
Transcript
- Lucas: So Luna, have you ever walked into a movie theater, looked at the popcorn sizes, and thought — wait, the medium is only a dollar less than the large, and the small is barely cheaper than the medium — what's going on here? Luna: All the time. And I almost always end up buying the large, even though I know I don't need that much popcorn. Lucas: That's not an accident. What you're experiencing is one of the most powerful, quietly deployed tools in marketing psychology — the decoy effect. It's a pricing tactic where you introduce a third option that's deliberately worse on some dimension, making one of the other two options look dramatically better by comparison. Luna: Right. And the classic academic example — the one that made this famous — comes from Dan Ariely's book 'Predictably Irrational.' He ran an experiment with subscriptions to The Economist. Lucas: Exactly. Ariely presented three options to a group of students. Option A: the online-only subscription for fifty-nine dollars. Option B: print-only for one hundred twenty-five dollars. Option C: print plus online for one hundred twenty-five dollars. Now, at first glance, Option B is dead on arrival, right? Why would anyone pay one twenty-five for print alone when they can get print plus online for the same price? Luna: But that's exactly the point. Option B is the decoy. It's not meant to be chosen. It's there to make Option C — the premium bundle — look like an incredible deal. Lucas: Yes. And Ariely's results bore that out. When only the online-only at fifty-nine and the bundle at one twenty-five were offered, most students chose the cheaper online option. But when the decoy print-only option was added, the majority switched to the bundle. The decoy didn't just sit there — it actively shifted preference toward the higher-margin product. Luna: It's a textbook example of asymmetric dominance. The decoy is dominated by one option on every dimension — price and features — but not by the other. So the undominated option, the bundle, suddenly shines. Lucas: Let's break down the mechanics because this isn't just academic. The decoy effect works because human decision-making is deeply relative. We rarely evaluate options in absolute terms — we compare them. When you give us a reference point, our perception of value shifts. The decoy anchors the comparison so that the target option — the one you actually want to sell — looks like a no-brainer. Luna: And it shows up everywhere. Movie theaters, as we mentioned. But also in software pricing tiers, restaurant menus, even car models. Often the middle option is set up with a decoy in mind. Lucas: Take a classic SaaS pricing page. You'll see Basic at ten dollars a month, Pro at twenty dollars, and Enterprise at fifty dollars. But sometimes they'll add a fourth tier — say, Pro Plus at twenty-two dollars, but with fewer features than Pro. That's a decoy. It makes the twenty-dollar Pro look like the smart middle ground. Luna: And it works especially well when people are uncertain about what they need. If you don't know how many features you'll use, you gravitate toward the option that seems safest — often the one with the decoy pushing you there. Lucas: There's a beautiful real-world example from a study on subscription boxes. Researchers found that when a premium box was priced at thirty dollars and a basic box at twenty dollars, people split nearly evenly. But when they introduced a third box — a 'super premium' at forty-five dollars with only a few extra items — the thirty-dollar box's share jumped by over twenty percentage points. The super premium acted as a decoy, making the premium look like a bargain. Luna: So it's not just about the decoy itself. It's about how it re-anchors the entire choice set. The decoy changes the narrative: 'this is the smart choice.' Not 'this is the expensive choice.' Lucas: Right. And that's why it's so insidious from a consumer perspective. Once you know about the decoy effect, you start seeing it everywhere. Luna: But does it always work? Are there conditions where the decoy backfires? Lucas: Great question. The decoy effect is robust, but it has limits. One key condition is that the decoy must be clearly inferior to the target on at least one dimension — usually price, quality, or features. If the decoy is too close to the target, it creates confusion rather than contrast. And if the difference between options is too small, people might just choose the cheapest regardless. Luna: Also, if the consumer is highly knowledgeable or has strong pre-existing preferences, the effect weakens. An expert photographer won't be nudged by a decoy camera tier — they know exactly what they need. Lucas: Exactly. And there's a fascinating cultural dimension. Some research suggests that the decoy effect is stronger in individualistic cultures, where people focus on maximizing personal value, compared to more collectivist cultures where social norms or group preferences might override the relative comparisons. Luna: That's interesting. So a marketer launching globally might need to test whether the decoy actually moves the needle in different markets. Lucas: Absolutely. And there's another important caveat: the decoy only works when the options can be compared along clear, aligned dimensions. If you're comparing apples and oranges — literally — it's harder to create a decoy. But in most pricing contexts, the dimensions are aligned: more features, higher price. That's fertile ground for the decoy. Luna: Let's talk about ethics for a moment. Is using the decoy effect manipulative? Lucas: I think it depends on intent and transparency. If you're using a decoy to steer people toward a product that actually serves them well, it's a nudge — a tool for helping them make a decision when they're overwhelmed. But if the decoy is designed to exploit cognitive biases and push people into a purchase they'll regret, that's manipulation. Luna: And there's a legal dimension too. In some jurisdictions, regulators have started scrutinizing 'dark patterns' in online pricing — including decoy-like structures that confuse rather than clarify. So marketers need to be careful. Lucas: Right. The line is often drawn at whether the decoy is genuine. If the decoy option is clearly a real product that some customers might reasonably choose — even if few do — it's generally considered legitimate pricing strategy. If it's a phantom product that's never available or absurdly priced just to make another option look good, that's deceptive. Luna: And there's a practical consideration too: if customers feel tricked, they lose trust. So even if the decoy works in the short term, it might damage the brand long term. Lucas: Exactly. That's why the best use of the decoy effect is subtle and fair. The Economist example is a good one — the print-only subscription was a real product. Some people might genuinely want print only, even if very few chose it. The decoy just highlighted the value of the bundle. Luna: So if I'm a startup founder or a product manager, how do I actually implement a decoy? What's the process? Lucas: First, identify your target option — the one you want most people to buy. That's usually your highest-margin product or the one that best serves the typical customer. Then, design a decoy that is clearly worse than the target on at least one key dimension, but comparable on others. The decoy should be priced close to the target, making the target seem like a better deal. Luna: So if your target is a premium plan at thirty dollars, you might add a super-premium plan at forty-five dollars with only slightly better features. That makes the thirty-dollar plan look like a bargain. Lucas: Yes. And you also want to make sure the decoy doesn't cannibalize your other offerings. If the decoy is too attractive, people might choose it instead of the target. The decoy must be dominated — clearly inferior — so that almost no one picks it. Luna: And test it. Always test. A/B test the pricing page with and without the decoy to see if it actually shifts behavior. The effect size can vary a lot by product and audience. Lucas: Speaking of testing, let's talk about a real-world case study that beautifully illustrates the decoy effect — but also its limits. In 2019, a meal-kit company ran a pricing test. They offered three plans: a two-person plan at sixty dollars, a four-person plan at one hundred dollars, and a family plan at one hundred fifty dollars. The family plan was the decoy — it was priced high, but the per-meal cost was actually lower. What do you think happened? Luna: I'd guess the four-person plan — the target — saw a big increase in sign-ups. Lucas: That's exactly what happened. The four-person plan's share jumped by about fifteen percent. But here's the twist: the decoy also increased overall basket size. More people upgraded from the two-person plan to the four-person plan, and even some chose the family plan because they saw value in the per-meal savings. So the decoy lifted overall revenue, not just the target's share. Luna: That's a great example of how a well-designed decoy can have positive spillover effects. It's not just about pushing one option — it's about restructuring the choice environment. Lucas: Before we wrap up, let's put the decoy effect in a broader context. It's part of a larger toolkit in behavioral economics — anchoring, framing, social proof, loss aversion. But the decoy is particularly powerful because it's so easy to implement and often goes unnoticed. Luna: Yeah, I think the next time I see three subscription tiers, I'll pause and ask: is this a genuine choice set, or is one of these a decoy? And if I can spot it, I might make a more deliberate decision. Lucas: And that's the goal of the show — not just to learn how marketing works, but to become more aware consumers. The decoy effect is a tool, but awareness is your shield. Luna: If today's episode was useful to you and you want to keep it ad-free, buy me a coffee dot com slash fexingo helps. Lucas: Yeah, it's a small way to keep these conversations going. Luna: So back to the decoy — are there industries where it's particularly effective or particularly risky? Lucas: It's very effective in subscription services, retail, and hospitality — anywhere with tiered offerings. But it's risky in markets where customers are highly price-sensitive or where brand trust is thin. If a customer feels played, they might walk away entirely. Luna: And I'd add that the decoy effect works best when the target option is genuinely a good value. If the decoy reveals that your target is overpriced, the strategy can backfire. Customers might choose the cheap option or leave. Lucas: Absolutely. The decoy is a framing device, not a magic wand. The underlying product still has to deliver. So, Luna, if you were to design a decoy for a product you were launching, what would it look like? Luna: I think I'd start with a clear understanding of my target customer's decision-making process. Then I'd create a decoy that highlights the value of my ideal offering. And I'd test it relentlessly. But I'd also be prepared to drop it if it feels manipulative. Lucas: That's a healthy approach. And as we've seen, the decoy effect is just one of many behavioral triggers that shape consumer behavior. Next time, we might explore another one — like the scarcity principle or social proof. Luna: Looking forward to it. And in the meantime, if you want to share your own examples of the decoy effect — or if you've ever been tricked by one — we're on social media. Lucas: Thanks for listening. See you next time.