Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / Why Blind Product Tests Fool Your Brain
Transcript
- Lucas: So Luna, here's a question that might sound simple but isn't: if you hand someone two cups of the same cola, one labeled Coke and one labeled generic, which one do they say tastes better? Luna: I'm guessing the labeled one, just because we expect it to. But is that really true? Lucas: That's exactly the thing — and it's the core of what we're digging into today: blind product tests and the strange way our brains handle brand cues. But before we go deeper, I want to mention something genuine. A handful of listeners chip in monthly through buy me a coffee dot com slash fexingo, and that literally funds making this many of these episodes. It's not a big ask, just an honest note. Luna: Yeah, and we're really grateful. It keeps this show ad-free and independent, which matters for a topic like this. Lucas: Absolutely. So back to the cola question — because the most famous demonstration of this is the Pepsi Challenge from the late 1970s. Pepsi ran blind taste tests in malls across America, and in those blind conditions, a majority picked Pepsi over Coke. But when the researchers revealed which cup was which, Coke suddenly won. Same soda, same mouthfeel, but the label flipped the preference. Luna: That's wild. So the brain literally changes the experience based on what it thinks it's drinking? Lucas: Yes, and there's neuroscience to back it up. A few years later, researchers scanned people's brains while they tasted colas. When they knew they were drinking Coke, the ventromedial prefrontal cortex — the area tied to reward and self-image — lit up. That activation wasn't there when they tasted it blind. The brand itself was altering the neural response to the same liquid. Luna: So it's almost like a placebo effect, but for branding. We're tasting what we expect to taste. Lucas: Exactly. And marketers have known this for decades. That's why blind tests are such a powerful tool — they strip away the brand and force you to evaluate the product on its own sensory merits. But they're also a double-edged sword. If your product wins blind but loses when branded, it tells you something about your brand equity. And if it loses blind, you might want to invest in the recipe before the logo. Luna: Have any companies actually used blind tests to their advantage? I mean, besides Pepsi. Lucas: Sure. One that comes to mind is a small coffee roaster in Portland that ran a blind tasting against a big national brand. They won easily, and they leveraged that in their marketing — 'we beat the big guys blind.' It gave them credibility without having to match the big brand's advertising budget. Luna: So that's the classic david and goliath strategy. But what about the wine industry? I've heard that even experts can't tell expensive from cheap in blind tastings. Lucas: Oh, that's a great example. In a famous study at Caltech, volunteers tasted two wines — one labeled $5, the other $45. The $45 one scored higher, and brain scans showed more activity in the medial orbitofrontal cortex, which is associated with pleasure. Here's the kicker: the researchers had actually poured the same wine into both bottles. Only the price tag was different. Luna: Same wine, thirty dollars apart. That's the price anchoring effect we talked about in a previous episode, but it's also about expectation shaping actual sensory perception. Lucas: Right — and it goes beyond taste. We see it in tech, too. There's a reason unboxing videos are so popular, and why companies like Apple obsess over the packaging experience. The first tactile interaction sets the stage for how you judge the device's speed and build quality. It's not just aesthetics; it's marketing psychology. Luna: So if I'm a marketer, when should I push for blind tests, and when should I stay away? Lucas: Great question. Blind tests are your friend when you're entering a market as an underdog and you're confident your product objectively outperforms the incumbent. They're also useful in internal R&D — you can use them to refine a formula without bias. But if you have a strong brand and a product that's on par with competitors, you probably don't want a blind test, because it can commoditize your offering. You want to compete on the brand experience, not just the taste. Luna: Makes sense. So it's about knowing your leverage point — whether your advantage is in the product or in the story around it. Lucas: Exactly. And that's the deeper lesson. Blind tests reveal the raw product experience, but our everyday buying decisions are almost never blind. We carry expectations, memories, and social signals with us. When you buy a Rolex, you're not just buying a watch that tells time; you're buying the story, the status, the craftsmanship you've been told about. And that's not a bad thing — it's how human decision-making works. Luna: But sometimes the blind test can reveal something surprising about your own brand. Like if your loyal customers can't tell you apart from a generic in a blind test, that's a red flag. Lucas: It is. And that's why some companies conduct blind tests on their existing customers as a health check. If your customers can't distinguish your product from a competitor's, you have a problem — because your brand's only shield is the label, and that can crack under pressure. Luna: So what's the takeaway for listeners who run a business or work in marketing? Lucas: I'd say two things. First, run a blind test on your own product, but do it honestly. It's an uncomfortable mirror that can show you where you actually stand. Second, when you're designing marketing, think about what cues you're giving the brain before the first sip or click. Those cues are shaping the experience as much as the product itself. Luna: That's a great perspective. And it makes me wonder — if we all know this, why do we still fall for it? I mean, as consumers, we know the brand is influencing us, but it still works. Lucas: Because we can't switch it off. The brain's expectation system is automatic. You can't un-know that Coke is Coke. That's the power of a strong brand — it becomes part of the product's identity. And that's why blind tests are so fascinating: they give us a rare snapshot of what the product is like without the baggage, but in real life, that baggage is always there. Luna: So the next time you're in a wine shop, you're not just buying wine — you're buying the label, the story, the expectation. And that's not a bad thing, as long as you know it. Lucas: Exactly. And maybe the most interesting question is: if blind tests show that expectation can turn water into wine, as it were, then what does 'real quality' even mean? Is it the sensory input, or the total experience? I suspect it's the latter — and that's not a trick, it's a genuine open question. Luna: I think that's a perfect note to end on. Thanks for spending this time with us — and if you've ever wondered what your own product tastes like blind, maybe it's time to find out. Lucas: And as always, if you want to support the show, you know where to find it — buy me a coffee dot com slash fexingo. We'll see you in the next episode.