Prática de Shadowing: The UX Psychology Behind Apps People Can’t Stop Using - Aprenda a falar inglês com vídeo
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Most apps fail not because they look bad, but because they ignore how people actually think.
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The best designers in the world don't just push pixels.
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They understand psychology.
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And today I'm going to show you 6 psychology principles that will completely change the way you design.
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Every single one comes with the real before and after, so you can see exactly what to do differently.
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Let's go.
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Here's something that sounds obvious, but almost nobody does.
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Stop giving users blank forms.
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Look at this booking screen.
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Five completely empty fields.
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Every single one is a decision the user has to make before anything happens.
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Psychologists call this decision fatigue.
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The more choices you stack on someone at once, the more likely they are to make no choice at all and just leave.
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A study from Columbia University found that when a grocery store displayed 24 jam flavors, only 3 % of people bought one.
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When they showed just six, the purchase rate jumped to 30% more choices doesn't mean better.
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It means harder.
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Now look at this version.
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Same screen, same fields, but everything is pre -filled with the most common choices.
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And the button doesn't just say search.
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It tells you there are already 12 results waiting.
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Here's why this works so well.
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70 to 90 % of users in most products never change to default values.
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That's not laziness.
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It's trust.
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When you provide a smart default, users read it as a recommendation.
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You're saying, this is what most people pick, and that's incredibly persuasive.
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The user's job shifts from fill this out from scratch to scan and adjust what doesn't fit.
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That's a fundamentally easier task.
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So the principle is called smart defaults, and the rule is simple.
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Pre -select the most common choice for every field.
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Don't make users think when you already know the answer.
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This tip will change the way you think about onboarding entirely.
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Researchers at Columbia ran a study at a car wash.
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One group of customers got a loyalty card with 8 empty stamps.
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Fill all 8, get a free wash.
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The second group got a card with 10 stamps, but 2 were already filled in.
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Same 8 washes needed.
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But the group that started with 2 stamps completed the card at nearly double the rate.
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That's the goal gradient effect.
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The closer people feel to finishing something, the faster they move toward it.
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And the critical insight is this.
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You can choose where the starting line is.
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Look at this onboarding screen.
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0 % complete.
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5 empty steps.
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It's telling the user you haven't started and there's a lot ahead.
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That's deflating, even if the actual work is minimal.
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Now this version.
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Same form, same fields.
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But progress already shows 20%.
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The first step is checked off.
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The user can see exactly where they are and how close the finish line is.
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They didn't do any extra work.
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You just reframed account creation as step one instead of treating it as a separate event.
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0 % feels like standing still.
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20 % feels like momentum.
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And that feeling is what separates the users who finish onboarding from the ones who drop off at the second screen.
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LinkedIn does this brilliantly.
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They show you a profile strength meter from the moment you sign up, and it's never at zero.
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The rule?
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Never start a user at zero.
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Find something they've already done and count it.
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That artificial head start creates real motivation.
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If you want to get better at designing onboarding that actually works, Mobbin is genuinely the best resource for it.
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You can study how top teams design onboarding, upgrades, checkouts, and other key flows.
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So instead of guessing what good UX looks like, you can actually see it.
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In fact, one of the first things we do before designing any onboarding flow is go to Mobbin and search for onboarding.
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Instantly, you can see real examples from top products, which makes it much easier to find inspiration and see what good patterns look like in practice.
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It's a simple trick that helps you design better and faster.
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And if you want to try it too, you can get 20 % off using the special link in the description.
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So far we've talked about making things easier or making things urgent.
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But if the user doesn't trust you yet, none of it matters.
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Most apps ask for something before they give anything.
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Sign up to see your results.
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Create an account to continue.
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Enter your email to unlock.
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The user hasn't received a single thing of value and already the app wants something from them.
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Look at the screen.
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The user entered their URL, hit Analyze, waited for the scan, and now the results are blurred out behind a lock.
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Create an account to see your report.
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Think about what that communicates.
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You're holding their results hostage.
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It's like a restaurant asking for your credit card before they show you the menu.
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You'd walk out, and that's exactly what users do here.
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Now this approach.
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The user hits
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Analyze and actually gets a real report.
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Not the full thing, but enough to be genuinely useful.
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Their score, their top issues, what passed.
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They can already see what's wrong with their site and start thinking about fixes.
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And then at the bottom, a simple prompt.
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Want the complete breakdown with step -by -step instructions?
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Save your report.
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The difference in conversion is massive because of a principle called reciprocity.
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When someone gives you something first, you feel a pull to return the favor.
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It's not rational.
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It's one of the deepest human instincts we have.
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Robert Cialdini spent his career studying persuasion and ranked this as the single most powerful driver of human behavior.
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It's why free samples at grocery stores increase purchases by up to 2 ,000%.
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The sample isn't that good, but receiving it creates an unconscious debt.
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Every smart company uses this.
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Costco gives you free samples.
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Spotify gives you 30 days of premium.
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Notion lets you use the entire product before you ever pay.
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They're not being generous.
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They're being strategic.
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The sign -up never feels like a wall because the user already got something worth coming back for.
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Have you ever spent an afternoon assembling IKEA furniture and then thought, actually, this looks pretty good?
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It objectively doesn't look that different from what you'd buy pre -assembled.
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But it feels different because you built it.
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You spent time on it.
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And that labor changed how you value it.
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Researchers actually studied this and gave it a name.
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The IKEA effect.
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When people build something themselves, they value it significantly more than an identical item someone else made.
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There's an even simpler version of this called the endowment effect.
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You don't even have to build something.
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Just feeling like you own it is enough.
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Now think about what most sign -up pages do.
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Email, password, sign up.
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There's nothing on this screen that belongs to the user.
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They haven't created anything.
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They haven't chosen anything.
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Closing the tab is effortless because there's nothing to lose.
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Now look at this approach.
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The user hasn't signed up yet, but they're already building.
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They're choosing their name, their title, their color palette, their card style.
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Every choice makes this feel more like theirs.
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And the button at the bottom doesn't say sign up, it says continue.
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Because by now, leaving doesn't feel like skipping a form.
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It feels like abandoning something they made.
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Duolingo does this brilliantly.
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Before you ever create an account, You've already picked your language, set your goal, and completed your first lesson.
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By the time the signup screen appears, you've invested 10 minutes.
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You're not going to throw that away.
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That's not manipulation.
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That's smart design.
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You're giving people a reason to stay by letting them build something worth staying for.
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Most designers are still learning UX and UI the old way.
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They watch another tutorial on how to recreate a beautiful app screen, add a smooth Figma interaction, or create another glass effect.
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And yes, those things can be useful.
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But they're not what gets you hired at serious product companies.
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Because interviewers are not just looking for someone who can make a screen look nice.
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They want to see how you think.
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They want to see if you understand user psychology, conversion, retention, business impact, and why certain design decisions actually work.
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That's why we created UXPeak+.
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UXPeak Plus teaches the advanced UX and UI skills most designers are missing.
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We break down how top companies design product pages, onboarding flows, pricing pages, mobile apps,
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SaaS products, and high converting experiences.
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So you can understand not just what looks good, but what actually works.
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It's the kind of knowledge you can use in your case studies, portfolio, interviews, and real product work.
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You can start for free at uxpeak .com with a free course.
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And if you decide to join UX Peak Plus, use code UXPEAK20 to get 20 % off with their launch offer.
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You also have a seven -day money -back guarantee.
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So there is no risk.
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Now let's get into the next tip.
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Alright, that was about making users feel invested.
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But what about motivation?
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What makes someone actually act instead of tapping maybe later?
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Daniel Kahneman won a Nobel Prize for proving
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that the pain of losing something is psychologically twice as powerful as the pleasure of gaining the same thing.
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Twice.
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Think about what that means for product design.
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Every time you frame a feature as something users could gain, you're using the weaker motivator.
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Look at this screen.
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A storage app offering a premium upgrade.
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Nice icon.
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Nice feature list.
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Nice button.
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Upgrade now.
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And below it, the world's easiest escape hatch.
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Maybe later.
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There's nothing at stake.
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Nothing changes if the user ignores this.
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The screen has zero psychological weight.
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Now this version.
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Same product, same goal.
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But instead of selling what the user could have, it shows what the user is about to lose their actual files, by name, with a countdown,
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and the dismiss option doesn't let you off easy.
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It says, I'll risk it.
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The first screen is a pitch.
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The second screen is a threat.
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And threat wins every time, because of a concept called the status quo bias.
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Humans are wired to protect what they already have.
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You need to make them feel the cost of inaction.
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So here's the takeaway.
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Whenever you're designing a screen that asks users to act, flip the framing.
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Don't sell what they'll gain, show what they'll lose if they don't.
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Last one is a principle that explains why the exact same price can feel expensive or feel like nothing.
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Look at the screen.
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A protection plan shown on its own page.
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$50 a month.
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The user sees that number in isolation and does a quick mental calculation.
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$600 a year.
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That's a lot.
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They hit no thanks and move on.
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Now look at the same offer in a different context.
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The user just added a $1 ,900 laptop to their cart.
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And directly below the product, the protection plan appears.
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Same $50.
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But now there's a small label next to it.
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Just 2 .6%.
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Nothing changed about the offer.
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Everything changed about how it feels.
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After seeing $1 ,900, dollars, $50 barely registers.
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Your brain isn't doing an absolute evaluation anymore.
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It's doing a relative one.
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And relative to the price you just processed, this is a rounding error.
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This is the contrast effect.
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Your brain evaluates every piece of information relative to the thing it saw immediately before.
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Restaurants use this constantly.
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They put a $90 Wagyu steak on the menu not because many people order it,
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but because it makes the $40 salmon look like a reasonable choice.
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Real estate agents show you a slightly overpriced house first, so the one they actually want to sell feels like a deal.
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For designers, the rule is, don't show a cost in isolation.
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Always control what the user sees first, because that first number becomes the ruler they measure everything else against.
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So those are the six UX psychology principles.
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And if you zoom out, they all share the same insight.
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Your users aren't making logical decisions.
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Defaults feel like recommendations.
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The first number sets the anchor.
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A gift creates a debt.
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Building something makes it yours.
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And progress, even a fake one, creates real momentum.
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The designers who get this build products people can't stop using.
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The ones who don't build products people forget exist.
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Thanks for watching.
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We'll see you in the next one.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação usa o vídeo “The UX Psychology Behind Apps People Can’t Stop Using”. As palavras que mais se repetem: user, screen, product, onboarding, create. Este vídeo tem 228 frases e 2068 palavras para praticar shadowing. A fala dura 11:32. O falante fala em ritmo natural, cerca de 179 palavras por minuto, próximo de uma conversa do dia a dia. 84% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.
Vocabulário principal deste vídeo
15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| designer substantivo | /dɪˈzaɪnɚ/ | desenhador, desenhadora |
| principle substantivo | /ˈpɹɪn.sɪ.pəl/ | princípio |
| psychology substantivo | /saɪˈkɑ.lə.d͡ʒi/ | psicologia |
| default substantivo | /dɪˈfɔlt/ | inadimplência |
| relative substantivo | /ˈɹɛl.ə.tɪv/ | parente, parenta |
| upgrade verbo | /əpˈɡɹeɪd/ | melhorar |
| stamp substantivo | /stæmp/ | pisada |
| ignore verbo | /ɪɡˈnɔː/ | ignorar |
| premium substantivo | /ˈpɹiː.miː.əm/ | prêmio |
| invest verbo | /ɪnˈvɛst/ | investir |
| menu substantivo | /ˈmɛn.juː/ | cardápio, menu |
| conversion substantivo | /kənˈvɝʒən/ | conversão |
| motivation substantivo | /ˈmoʊ.tə.veɪ.ʃən/ | motivação |
| insight substantivo | /ˈɪnsaɪ̯t/ | introspecção |
| recommendation substantivo | /ˌɹɛkəmɛnˈdeɪʃən/ | recomendação |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| sign up verbo | subscrever |
| get off verbo | sair |
Frases que vale a pena repetir
Frases curtas e completas do vídeo que você pode usar na conversa do dia a dia:
- You're holding their results hostage.
- It's one of the deepest human instincts we have.
- You don't even have to build something.
- You're not going to throw that away.
- It says, I'll risk it.
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | haven't started · they've already done · we've talked |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | is called · were already filled · is checked |
| Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisa | ones who drop · products, which makes · someone who can |
Pronúncia para ficar de olho
O falante usa 47 contrações e formas reduzidas, como doesn't, don't, you're. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “th”: smooth /smuːð/, theirs /ðɛɚz/
- Os sons de “sh” e “zh”: conversion /kənˈvɝʒən/, motivation /ˈmoʊ.tə.veɪ.ʃən/, recommendation /ˌɹɛkəmɛnˈdeɪʃən/, isolation /ˌaɪsəˈleɪʃən/, contrast /kənˈt(ʃ)ɹæst/
- Palavras longas — acerte a sílaba tônica: psychology /saɪˈkɑ.lə.d͡ʒi/, motivation /ˈmoʊ.tə.veɪ.ʃən/, genuinely /ˈd͡ʒɛn.ju.ɪn.li/, recommendation /ˌɹɛkəmɛnˈdeɪʃən/, momentum /ˌmə(ʊ)ˈmɛntəm/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: onboard /ɒnˈbɔːd/, default /dɪˈfɔlt/, upgrade /əpˈɡɹeɪd/, stamp /stæmp/, invest /ɪnˈvɛst/
- /l/ final — a língua toca o céu da boca, não vira “u”: principle /ˈpɹɪn.sɪ.pəl/, assemble /əˈsɛm.bəl/, label /ˈleɪ.bəl/, artificial /ˌɑː.tɪˈfɪʃ.əl/, logical /ˈlɑd͡ʒɪkəl/
- /h/ — um sopro suave, diferente do “r”: hire /ˈhaɪɹ/, hostage /ˈhɑs.tɪd͡ʒ/, hatch /hæt͡ʃ/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como designer, principle, psychology.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.