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Imagine this…
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You're scrolling through recipes on Pinterest when you spot the perfect dinner to make tonight: pad thai.
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You’ve never made it before, but the short video attached to the recipe makes it look ridiculously easy.
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Just toss some noodles in a pan, crack in some eggs, whip up the sauce, and squeeze in some lime. You’ll be done in 20 minutes.
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“I can totally do this. And it’ll be way cheaper than ordering takeout,” you think as you screenshot the ingredient list and head to the grocery store.
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Forty minutes later, you're standing in your kitchen surrounded by fish sauce, tamarind paste, rice noodles, bean sprouts, and a bunch of other stuff you've never used before.
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And just three minutes into your “20-minute" recipe, you realize…
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This is a disaster.

The noodles clump together, the sauce tastes like death, and you burn the eggs.
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Fifty-five minutes in, you're still cooking your “easy 20-minute dinner.”
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Sweating, you finally—miraculously—plate something that vaguely resembles pad thai, take one bite, and immediately open DoorDash.
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​Why were you so confident that you could easily make pad thai from scratch?
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​In today’s edition of Why We Buy 🧠 we’ll explore the Hard-Easy Effect—why we overestimate our ability to handle hard tasks and underestimate how challenging easy tasks can be.
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​Let’s get into it.

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🧠 The Psychology of the Hard-Easy Effect

In 1977, researchers showed participants 12 drawings and asked whether each one was created by a European child or an Asian child (which was basically impossible to judge accurately).
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Then participants were asked to rate how confident they were that they got it right.
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While participants only got it right 53% of the time, they thought their answers were right 68% of the time.
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In other words, participants did worse than they thought they did on a “hard” task.
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Then researchers tested the same idea using a series of trivia questions.
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For the “easy” questions, participants got the answers right 75% of the time, but were only 60% confident in their answers.
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That is, participants did better than they thought they did when the task was “easy.”

When something's hard, we usually don't know enough to spot why we're wrong. So we rely on the limited knowledge we do have.
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And when something’s easy, we know enough to overthink it. So we second-guess ourselves.
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For marketers, that means customers are more likely to hesitate on seemingly no-brainer purchases and dive head-first into more difficult ones (then bail when reality hits).

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🤑 How To Apply This

Alright, so how can you apply this right now to sell more?
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E-commerce​
​Show customers how hard tasks are easily achievable
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Assembling furniture feels impossible to most people.

So IKEA doesn't hand over a box of wooden planks and screws and say, “Good luck, buddy!” They give you step-by-step visual instructions that show exactly what goes where.

By breaking down a scary task into manageable chunks (with pictures and zero words!), IKEA makes customers think, "Wait, I can actually build this myself."
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​The result? Millions of people successfully assemble furniture instead of paying for delivery and setup—and love the finished piece even more.
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Finance​
​Help customers feel confident about "easy" tasks they overthink
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​A lot of people doubt they can pick the best credit card or bank account, even though the choice is actually straightforward.
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So NerdWallet simplifies financial decisions with comparison charts and plain-language recommendations, including who is best for each option.

By stripping away jargon, NerdWallet prevents customers from overthinking tiny details and freezing up.
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So people feel confident making decisions they would've otherwise procrastinated on for months.

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SaaS​
​Reveal the hidden difficulty in tasks users think are simple
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​When it comes to writing well, many people think, “Pfft, how hard can it be?” (Answer: Very!)
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It feels simple… until a tool reveals tone issues, clarity problems, passive voice, and grammar errors they didn’t realize they were making.
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That’s why Grammarly highlights specific fixes, explanations, and alternatives in real time.

By revealing mistakes people never noticed, Grammarly shows why writing is trickier than previously thought and why guidance can result in cleaner work.
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The result? Users rely on the tool instead of trusting their initial overconfidence.

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💥 The Short of It

People—including your customers—are terrible at judging how hard or easy things actually are.
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That’s why you’ve gotta break down what feels impossible, simplify what feels overwhelming, and reveal hidden complexity when your offer is the solution.
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Because when you match expectations to reality, you'll be the brand that actually delivers—and buyers trust more as a result.
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​​Until next time, happy selling!

With ❤️ from Katelyn and Jordyn​

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