Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / How the Mere Exposure Effect Builds Brand Preference Over Time
Transcript
- Lucas: You know that feeling when a song you barely noticed the first time suddenly sounds great by the fourth listen? That's not just the music growing on you — it's a well-documented psychological principle called the Mere Exposure Effect. Luna: Mere exposure. It sounds almost too simple. Just seeing something repeatedly makes you like it more? Lucas: Exactly. The classic study is from 1968 by a psychologist named Robert Zajonc. He showed participants a series of Chinese characters — these were nonsense symbols to them — and varied how many times each appeared. Some characters flashed ten times, others just once. Afterward, when asked which symbols they liked better, participants consistently preferred the ones they'd seen more often. And here's the kicker: they didn't even consciously remember seeing them. The exposure worked below the level of awareness. Luna: So it's not about recognition — it's about that subconscious warmth you feel toward the familiar. Lucas: Right. And that's why it's so powerful in marketing. Brands don't need you to remember their ad — they just need you to have seen it enough times that the name feels safe, trustworthy, maybe even likable. Think about Coca-Cola. They don't do a single ad hoping you'll go out and buy a can. They do thousands of impressions a year so that when you're thirsty and standing in front of a cooler, Coke feels like the right choice. Luna: But there's got to be a limit, right? I've seen some ads so many times I start to actively hate them. Lucas: That's a real phenomenon, and it's often called the 'wear-out' effect. The Mere Exposure Effect follows an inverted-U curve. Liking increases with exposure up to a point, then flattens, and eventually declines if the repetition becomes irritating. A 2017 study on banner ads found that the optimal frequency was around three to five exposures per user per campaign. After ten exposures, positive sentiment dropped off sharply. Luna: So there's a sweet spot. Too little and you haven't built familiarity; too much and you're just annoying people. Lucas: Exactly. And the smartest brands calibrate this carefully. Take Spotify's Discover Weekly playlist. They expose you to a new song maybe once, then if you skip it, they don't hammer you. But if you listen halfway, they'll serve it again a few weeks later. They're using repeated exposure strategically — not just blasting the same track. Luna: It's like they're letting the exposure build naturally, not forcing it. Lucas: That's the art of it. And some brands take an even subtler approach. Remember Glossier, the beauty brand? They started by sending free samples to a small group of influencers — not to millions of people — and those influencers posted about it. So their target audience saw the same pink packaging and same minimalist aesthetic maybe once on Instagram, once on a blog, once in a friend's bathroom. Controlled, repeated exposure within a tight community, before they ever bought a billboard. Luna: That's fascinating. And it worked because the exposure felt organic, not like an ad campaign. Lucas: Right. Another example is Liquid Death, the canned water company. They built a brand around heavy metal aesthetics and irreverence. Early on, they showed up at punk shows and music festivals — same logo, same tone, over and over in that niche. People saw it enough times in a context they already loved that the brand became part of the culture. By the time they went mainstream, the familiarity was already baked in for a core audience. Luna: So the key is consistency of context as much as frequency? If I see a brand in the same setting repeatedly, the effect is stronger. Lucas: There's research that backs that up. A 2012 meta-analysis of the Mere Exposure Effect found that the effect is stronger when the exposure happens in a consistent context. If you see a brand always on a trusted podcast or magazine, the positive association transfers. But if the context varies wildly — a billboard, then a spam email, then an influencer you don't trust — the exposure can actually weaken the effect. Luna: Which is why so many DTC brands fail when they scale. They start with a tight community, then blast Facebook ads to everyone, and the magic disappears. Lucas: Yeah. The Mere Exposure Effect is powerful, but it's not a cheat code. You need the right frequency, the right context, and the right audience. And if you're a small business, you can actually use this to your advantage. Instead of spending your budget on one big billboard, you're better off running a smaller ad that your target audience sees many times in the same place — like a niche newsletter or a local radio show. Luna: So it's about depth over breadth in exposure. Lucas: Exactly. And if these kinds of marketing conversations have sparked something you've actually used in your business or career — that's exactly the kind of support that keeps this show ad-free and independent. We're listener-supported, and it's listeners like you who make episodes like this possible. If you want to help, you can buy us a coffee at buy me a coffee dot com slash fexingo. No pressure ever, but we genuinely appreciate it. Luna: Yeah, and it's a small way to say these principles are useful — because we love diving into them every week. Lucas: So let's get back to a really interesting edge case: what about when the Mere Exposure Effect doesn't work at all? There's a condition where it actually backfires. Luna: I've read something about that — if you have a negative first impression, repeated exposure can make you hate it more, not less. Lucas: Exactly. The effect only holds for neutral or mildly positive stimuli. If someone has a genuinely negative reaction the first time — say, a bad customer service experience or a product that's disgusting — seeing it again reinforces that negative feeling. Zajonc himself found this: when participants were shown aversive stimuli like angry faces or unpleasant sounds, repeated exposure made their dislike stronger. Luna: So the first impression is critical. If you mess that up, no amount of repetition will save you. Lucas: That's why brands invest so much in packaging, unboxing, and the first customer interaction. If the first touchpoint is bad, the Mere Exposure Effect becomes a liability. But if it's good, repetition is rocket fuel. Luna: And how long does it take for the effect to set in? Is it cumulative over days, weeks, months? Lucas: The research suggests the effect is strongest with short intervals between exposures — a few days, not months. One study published in the Journal of Personality and Social Psychology in 2001 found that exposure once a week for four weeks produced a stronger preference than once a day for four days. So spaced repetition matters, just like learning. The brain builds familiarity more durably when there's a gap. Luna: That reminds me of how Netflix releases shows — all at once, but they keep the thumbnails in your feed for weeks. You see the title repeatedly over time, not just the day it drops. Lucas: Yes. Netflix even personalizes thumbnails so you see the same show with slight variations — same title, but different images. That's a deliberate strategy to increase exposure frequency without causing wear-out from the exact same visual. They're basically micro-dosing the Mere Exposure Effect. Luna: Are there any industry-specific nuances? Like, does it work better for luxury goods versus everyday items? Lucas: There's some evidence that the effect is stronger for low-involvement products — things like snacks, beverages, or household cleaners — where you're not making a big cognitive effort. For high-involvement purchases like a car or a house, mere exposure helps get you in the door, but you'll still do research. But even then, consider how often you see the same car brand on the road and in ads. That repetition builds a baseline trust that makes the research phase easier. Luna: So it's part of the funnel — top of mind, then consideration. Lucas: Exactly. And in a world where we're bombarded with thousands of brand messages a day, the brands that win are often the ones that manage to get repeated exposure without being annoying. It's a delicate balance, but when it works, it's almost invisible. You just find yourself reaching for a brand and you're not entirely sure why. Luna: Which is exactly what Zajonc showed sixty years ago. We like what we know, even if we don't know we know it. Lucas: And that's the power of the Mere Exposure Effect — it shapes our preferences beneath the surface. Next episode, we'll talk about a related phenomenon: the fluency effect, and how easy to process information makes brands feel more truthful. Luna: Can't wait. Until then, pay attention to the things you see over and over — they might be growing on you without you noticing.