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Imagine this…
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You’ve spotted some pesky sun spots on your forehead. Which means…
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It’s time to find a vitamin C serum.
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The problem is that there are about a million on the market, and you have no idea which one to buy. Especially when your skin is more temperamental than a toddler.
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So you head over to trusty ol’ Google and click the third search result.
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As you scroll through the skincare site, you spot a quiz that promises to help you find the right vitamin C serum.
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You answer a few questions about your skin’s texture, tone, and concerns.
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Just a few minutes later, the perfect vitamin C serum for you is revealed.
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But now you’re just squinting and staring at the pretty glass bottle because it looks eerily… familiar.

You feel like you must’ve seen it before on Instagram. Or maybe you heard a friend recommend it a while back.
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(You didn’t.)
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Although you can’t place it, you trust that this is the vitamin C serum you should be using.
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So you add it to the cart and start typing in your credit card info.
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​Why did this vitamin C serum feel so familiar to you, even though you’d never seen it before?
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​In today’s edition of Why We Buy 🧠 we’ll explore the Revelation Effect—why we feel a false sense of familiarity after doing a bit of mental work​
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Let’s get into it.
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​🧠 The Psychology of the Revelation Effect

Researchers showed participants a list of words to memorize.
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One experiment used only 8-letter words (e.g., “notebook,” “football”). Another used a mix of 5-letter and 8-letter words (e.g., “backpack,” “table”).
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Then they tested recognition by showing a long list of words—some old, some new.
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Sometimes, the word was presented normally.
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Other times, participants had to reveal the word first, like by unscrambling strategically jumbled letters (e.g., “elpna” to “plane”) or by watching it appear gradually, letter by letter (e.g., "-l----n-,” "-l-p--n-,” "-l-p--nt,” "el-p--nt," "el-p-ant," "el-phant," "elephant").
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After seeing each word, participants were asked if it was on the original list.
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Participants were more likely to (falsely) answer “yes” when the word was revealed through a task—even though they’d never seen it before.

The takeaway?
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Mental effort can create a false sense of familiarity.
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That’s why having customers do a bit of cognitive work before revealing an offer can make it feel more familiar and, consequently, trustworthy.
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🤑 How To Apply This

Alright, so how can you apply this right now to sell more?
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Luxury products
​Use customization to make big-ticket items feel like a no-brainer
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​With Fender’s Mod Shop, you can design your own electric guitar or bass by picking out the color, body, pickups, and more.
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That creative effort doesn’t just personalize the product—it primes the brain.

So when the final build is revealed—based on your tastes and preferences—it feels familiar and “yours.”
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And by turning browsers into creators, Fender makes them more likely to value what they’ve built and feel connected to it.
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This makes a multi-thousand-dollar purchase feel like a no-brainer.

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​Lead magnets
​Use quizzes to boost product familiarity

To help you find the right Nars foundation, the brand has you fill out a 7-question quiz.
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This activates your brain by having you recall personal info, weigh options, and make micro decisions.
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Then the right foundation is revealed.

Even if the Sheer Glow Foundation is totally new to you, it feels familiar because your brain confuses the mental work with prior exposure.
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And that “familiar = safe” shortcut makes you more likely to add it to your cart.
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Apps​
​Boost long-term engagement with simple interactions

With SuperCook, you list the ingredients you already have in your pantry and fridge.
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Next, they reveal the recipes you can make just with those ingredients.

Even though you’ve likely never seen these recipes before, they feel familiar (and worth trying) because your brain has linked that bit of mental work to the reveal.
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That familiarity transfers to the meal you decide to make. Which means you’re more likely to enjoy it—and keep using SuperCook.
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💥 The Short of It​
​When buyers do a little mental work before you show them an offer—like customizing, taking a short quiz, or even listing ingredients—their brains can confuse that effort with prior exposure.
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The result? What you reveal feels more familiar and, as a result, trustworthy… even when it’s brand spankin’ new.
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And when something feels familiar, it’s more likely to convert.
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​​Until next time, happy selling!

With ❤️ from Katelyn and Jordyn​

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