Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / How the Mere Exposure Effect Builds Brand Trust
Transcript
- Lucas: You know that song you hated the first time you heard it, but by the third play on the radio you were humming along? Luna: Oh, absolutely. And then by the tenth time, it's your guilty pleasure. Lucas: Right. That's not just radio fatigue. It's a psychological principle called the mere-exposure effect — and it's one of the most quietly powerful forces in branding. Luna: So the idea is, the more we see something, the more we like it? Just from repeated exposure? Lucas: Exactly. And it works even when we don't consciously register the exposure. In the 1960s, psychologist Robert Zajonc ran a famous experiment where he showed people nonsense Chinese characters — symbols they'd never seen — for a split second. Some characters were shown once, others up to 25 times. The result: the more times a character appeared, the higher the participants rated it on a 'goodness' scale. And they had no idea why they liked it — they just did. Luna: So literally nonsense they'd never encountered before, and repeated exposure made them prefer it. That's wild. Lucas: It's the bedrock of brand familiarity. Think about Coca-Cola. Their logo has been everywhere for over a century. That red script is so deeply familiar that seeing it triggers a sense of comfort, even if you've never consciously thought about it. In fact, one study showed that simply showing the Coca-Cola logo for a few milliseconds increased people's self-reported mood. Luna: So it's almost like classical conditioning — the brand becomes a conditioned stimulus for a positive feeling. Lucas: That's exactly right. And it's why companies spend billions on advertising that might not seem to 'sell' anything directly. McDonald's doesn't run a TV ad expecting you to jump in your car immediately. They're banking on the mere-exposure effect — so that when you're hungry and considering fast food, the golden arches feel like the obvious choice. Luna: But doesn't overexposure backfire? I feel like some ads get annoying after a while. Lucas: Great point. The mere-exposure effect has a ceiling. Zajonc's research showed that liking increases with exposure — but only up to a point. After about 10 to 20 exposures, the effect plateaus. And with negative stimuli, repeated exposure can actually increase dislike. So if an ad is inherently irritating — think of those loud, repetitive car dealership jingles — more exposure makes people hate it more. Luna: So the quality of the stimulus matters. If the initial reaction is neutral or slightly positive, exposure helps. If it's negative, exposure hurts. Lucas: Exactly. That's why the best branding doesn't just repeat — it repeats with subtle variation. Spotify's year-end 'Wrapped' campaign is a great example. They bombard you with personalized playlists and data stories, but each one feels a little different. The familiarity of the brand grows, but it doesn't feel stale. Luna: And that's also why brands refresh their logos every decade or so. They keep the core familiar but add novelty. Lucas: Right. The mere-exposure effect works best when the exposure is brief, spaced out, and embedded in a positive context. That's why product placement in movies is so effective. You see a brand, but you're not paying attention to it — you're engaged in the story. That subconscious exposure builds familiarity without triggering your sales radar. Luna: It's almost like the brand is making friends with you without you realizing it. Lucas: That's the perfect way to put it. And there's a real-world business implication. Startups often make the mistake of thinking they need to be disruptive and different. But if no one's ever heard of you, you have zero mere-exposure effect working in your favor. You have to earn that familiarity before you can leverage it. Luna: So the first marketing task isn't to convince — it's to become familiar. Lucas: Exactly. And that's why newer brands often rely on influencer partnerships or viral moments — they're trying to compress years of exposure into weeks. But the effect is still the same: repeated, positive encounters. Luna: Speaking of which, if these marketing conversations have sparked something you've actually used at work or in your own thinking, that's the kind of thing that keeps this show going. We're ad-free and listener-supported, and a small donation helps us keep digging into these topics. Lucas: Yeah, it's a simple way to say this content matters to you. If you're inclined, you can find us at buy me a coffee dot com slash fexingo. All lowercase. No pressure — just if it feels right. Luna: And we really appreciate it. Okay — back to the science. Lucas, you mentioned the Zajonc study. But there's also a real-world example from politics, right? Lucas: Yes, and it's a controversial one. Political campaigns use the mere-exposure effect all the time. Yard signs, bumper stickers, repeated ad spots — the goal isn't to argue policy, it's to make the candidate's name feel familiar and safe. In low-information elections, mere exposure can literally swing votes. Luna: That's powerful — and a little unsettling. But from a marketing perspective, it's consistent. Lucas: It is. And it works in reverse too. If a brand wants to distance itself from a negative association, it reduces exposure. That's why companies pull ads from controversial content — they don't want their brand to be repeatedly seen next to something negative. Luna: So the effect cuts both ways. Positive context builds liking; negative context builds dislike. Lucas: Exactly. And this is why brand safety is such a big deal for advertisers. One study found that a single ad placement next to offensive content can undo months of mere-exposure gains. The context of each exposure matters as much as the frequency. Luna: So what's the takeaway for a marketer listening right now? How do you apply this without annoying people? Lucas: First, aim for frequency with variety. The same message in different formats — video, audio, text, social. Second, keep exposures brief. Micro-moments — a billboard you see for three seconds, a sponsored post you scroll past — those are perfect. Third, associate your brand with positive emotions. If you're a financial services company, don't just repeat your name — repeat it in contexts that feel reassuring. Luna: And measure the right thing. Don't just track clicks; track brand lift, familiarity, and sentiment over time. Lucas: Exactly. The mere-exposure effect is a long game. It's not about one viral hit — it's about being present, consistently, in a way that feels effortless to the consumer. The best brands make you feel like you've known them forever, even if you've only just met. Luna: And that's the real magic of branding. It's not about shouting louder — it's about showing up enough times that people feel like you're an old friend. Lucas: Well said. Next episode, we'll look at the flip side — how brands can break through when everyone's already familiar. The challenge of standing out in a crowded market.