Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / The Von Restorff Effect Why Odd Ones Out Get Remembered
Transcript
- Lucas: You're walking down a supermarket aisle. Everything on the shelf is in a white box with blue lettering, and then right in the middle there is one black box with gold foil. Luna: Your eyes snap to it. I've done that a hundred times without thinking about why. Lucas: That's the Von Restorff Effect at work. Also called the isolation effect. It's the reason the odd one out gets remembered. Luna: So it's not just about being different for the sake of being different. It's about memory encoding. Lucas: Exactly. The psychologist Hedwig von Restorff ran experiments in 1933 where she gave subjects lists of items. If one item was a different color or shape from the rest, recall for that item was significantly higher. Luna: She basically proved that contrast equals retention. Lucas: And the effect is robust. It works across visual, auditory, even tactile stimuli. The brain flags anything that deviates from a pattern as potentially important. Luna: Which is why the bright orange smile on an Amazon box is so clever. The box is plain brown, totally unremarkable. Then that smile. Lucas: Right. Amazon isn't just using the smile as a logo. They're using the isolation effect. When that box arrives at your door, the orange stands out against the brown. You notice it. You remember it. Luna: And you associate that feeling of opening a package with the brand. It's a memory anchor. Lucas: Same logic applies to call to action buttons on a webpage. If every button on the page is blue, and one button is red, your eye goes to the red one. HubSpot ran a test years ago — changing a single CTA button from green to red lifted conversions by 21 percent. Luna: That's not tiny. That's a fifth more people clicking just because of color contrast. Lucas: But here's the nuance. The isolation effect works best when the odd one out is the only odd one out. If you put two red buttons on that page, the effect collapses. Now you just have two buttons, no contrast. Luna: So scarcity of deviance matters. One weird thing stands out. Two weird things are a category. Lucas: Exactly. And this applies to product packaging too. Think about Toblerone. The triangular prism box. On a shelf full of rectangular chocolate bars, it's unmistakable. Luna: And the shape is actually tied to the product — the chocolate pieces are triangular. So the packaging reinforces the product identity. Lucas: But not every brand needs to scream for attention. Some brands deliberately avoid the isolation effect. Luxury brands like Muji or Aesop use minimalist, uniform packaging. Everything looks the same. Luna: Because for them, the signal is understatement. If you know the brand, you don't need to stand out. You're already in the consideration set. Lucas: Right. And that's a strategic choice. The isolation effect is powerful, but it's not always the right tool. If you're a new brand trying to break into a crowded category, you want to be the black box in a sea of white. Luna: But if you're an established luxury player, you might want to signal that you don't need to compete for attention. You're above the fray. Lucas: There's also a risk with overuse. If every ad, every post, every package tries to be the odd one out, nothing is. You get pattern fatigue. Luna: So restraint is part of the strategy. You only break the pattern when it matters most. Lucas: Let me give you a concrete example from direct mail. A nonprofit I know sends a standard newsletter every quarter — same layout, same colors. But once a year, they send a handwritten-looking envelope with a stamp. Open rates for that one mailing are three times the usual. Luna: Because the recipient's brain says, 'This doesn't look like the usual junk. I should open it.' Lucas: Exactly. The deviation signals importance. But if they sent handwritten envelopes every month, it would become the new normal, and the effect would vanish. Luna: So there's a kind of novelty budget. You only get so many moments of isolation before people habituate. Lucas: And this ties into something we talk about on this show a lot — cognitive load. The isolation effect works because it reduces the effort the brain has to expend to process the stimulus. The odd one out is easier to encode because it's less similar to everything else. Luna: So the brain takes a shortcut. 'This one is different. Save it.' Lucas: Now, if you're a marketer, you might be thinking, 'Great, I'll just make everything different.' But the research shows that if the entire set is heterogeneous, nothing stands out. You need a baseline of similarity for contrast to exist. Luna: So the background has to be uniform for the figure to pop. That's Gestalt psychology 101. Lucas: Exactly. And this is why Amazon's smile works. The vast majority of boxes are plain brown. The smile is the only graphic element. It's a perfect use of isolation. Luna: I want to talk about digital ads for a second. Have you seen those Instagram ads where the image is a grid of nine product photos, and eight are in color, but one is black and white? Lucas: Yes. And the black and white one gets the click. Because your eye goes to the anomaly. The brain wants to resolve the inconsistency. Luna: It's almost like a puzzle. 'Why is that one different? I need to find out.' Lucas: And that curiosity drives engagement. But it only works if the rest of the grid is genuinely uniform. If there are two black and white images, the effect is diluted. Luna: So one is a hook. Two is a pattern. Lucas: There's also a temporal version of the Von Restorff effect. If you're running a series of ads, and most are 30 seconds, but one is 15 seconds, that shorter ad tends to be remembered better. Luna: Because it breaks the expected duration pattern. The brain notices the deviation. Lucas: Super Bowl ads do this. Most are 30 seconds. But a brand that buys a 60-second spot is essentially saying, 'We're the odd one out in terms of commitment.' And that gets talked about. Luna: But again, if everyone started buying 60-second spots, the effect would disappear. Lucas: Right. The key is to be the minority. And this brings up an interesting ethical question. The isolation effect can be used to manipulate attention toward specific products, but it can also be used to hide things. Luna: Like terms and conditions in a tiny font, while the 'Buy Now' button is huge and bright. Lucas: Exactly. If you make everything else visually uniform and isolated, you can guide the user's eye exactly where you want it. That's not inherently bad, but it can be deceptive. Luna: So there's a responsibility component. Use the effect to help people find what they need, not to trick them. Lucas: Now, I want to tie this back to something we mentioned earlier about luxury brands. Some brands intentionally avoid the isolation effect because they want to create a sense of calm and familiarity. Luna: Apple does that too. Their product packaging is minimalist, white, consistent. The unboxing experience is predictable. That's the opposite of isolation — it's harmony. Lucas: And yet, the Apple logo on the box is often a subtle silver emboss. It's not loud, but it's different from the white surface. So even in minimalism, there's a tiny isolation effect. Luna: So it's not about screaming. It's about strategic contrast. The contrast can be very small if the rest of the design is quiet enough. Lucas: That's a great point. The magnitude of the difference matters. A slight emboss against a flat white surface is a smaller isolation than a bright orange smile on brown. But in the context of a minimalist design, even that small difference registers. Luna: So the context sets the threshold for what counts as 'odd.' Lucas: Exactly. And this is why you can't just copy what works for one brand and apply it to another. The baseline matters. If your competitor's packaging is all black and gold, going white and silver might be your isolation. Luna: So it's relative. You have to know the category norm to break it effectively. Lucas: And that takes research. You can't just guess. You need to understand what the consumer's visual environment looks like. If you're the only brand on the shelf with a matte finish, that's your isolation. Luna: I think about this with email subject lines too. Most emails in my inbox have subject lines that are bold or contain emojis. The ones that are plain text with a lowercase subject line stand out. Lucas: Because they break the pattern. The brain expects the usual marketing language, and a simple, human-sounding subject line is the odd one out. Luna: So the isolation effect isn't just visual. It works across any sensory channel. Lucas: And it works in audio too. Think about a podcast ad read. If most ads are read by the host in a natural voice, and one ad is a high-energy produced spot, that one will stand out. But probably not in a good way. Luna: Because it breaks the trust pattern. The listener feels the deviation as jarring, not memorable. Lucas: So you want the isolation to feel intentional and appropriate. Not like a glitch. Luna: That's the art of it. Knowing when to break the pattern and how much. Lucas: And if today's episode gave you a new way to think about your own marketing — maybe you're already planning to test a red CTA button or a different-shaped package — that's exactly the kind of thing that keeps this show interesting. Luna: Yeah, if you've gotten something useful out of these conversations, the way we keep them ad-free is through listener support. You can find us at buy me a coffee dot com slash fexingo. Lucas: Just a small way to say this kind of content matters to you. No pressure, ever. Luna: Right. And we're back to the science. So Lucas, you mentioned that the isolation effect can be temporal. What about using it in a sales presentation? Lucas: Great question. If you're giving a deck with ten slides, and nine are data-heavy charts, but one is a full-bleed image of a customer smiling, that image slide will be the most remembered. Luna: So you strategically place that slide right after your key data point to anchor the emotion. Lucas: Exactly. And if you want the audience to remember a specific number, don't put it in a bullet list. Isolate it on a slide by itself with a huge font. Luna: It's like giving that number a spotlight on an empty stage. Lucas: And because everything else on the stage is dark, that number is all they see. Luna: So the Von Restorff Effect is really about attention allocation. You're telling the brain, 'This is the important part.' Lucas: And if you do it right, the brain listens.