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Imagine this…

For the last four months, you’ve heard people raving about a brand new dramedy—from the water cooler to the subreddits.

Even your mom—a self-proclaimed hater of dramedies—recommended it.

Naturally, you’re psyched.

It’s been years since you’ve watched a legitimately good show, and tonight you’re finally gonna see what all the hype is about.

You sink into your couch with a glass of wine and eagerly hit “Play.”

The episodes are only about 30 minutes long, so you cruise right through them.

Which means it didn’t take you long to realize…

This show absolutely sucks.

And now you’re at a crossroads.

You’ve watched six episodes so far. There are only three left until the season finale.

You could stop right now and salvage the next 90 minutes of your life.

Or…

“Maybe it all comes together in the last few episodes,” you think, gaslighting yourself into believing the three hours you’ve already spent watching have to mean something.

So you click “Next episode.”

Once the screen fades to black after the finale, you think, “You know what, I’m glad I kept watching—it *is* a pretty good show!”

What drastically changed your opinion on a show you didn’t even like three episodes ago?

In today’s edition of Why We Buy 🧠 we’ll explore Effort Justification—why we view an outcome more favorably when we invest time or effort into achieving it.

Let’s get into it.
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🧠 The Psychology of Effort Justification

In a 1959 experiment, 63 female college students participated in a study on group discussions.

The topic? Sex.

But first, they had to prove they weren’t too embarrassed talking about it. So they were split into three groups:

1. A control group
2. A mild-initiation group (designed to induce mild embarrassment by reading five sexual words out loud, like “petting,” “virgin,” and “prostitute”)
3. A severe-initiation group (designed to induce severe embarrassment by reading 12 obscene words out loud, like “screw,” “f*ck,” and “c*ck” plus two graphic sex scenes from novels)

After the initiation, they listened to a staged, painfully boring group discussion about sexual behavior in animals.

Yet when asked to rate the discussion group and its members…

The severe-initiation group gave significantly higher ratings.

This is Effort Justification—we rationalize that an outcome was worth it to avoid feeling like our effort was wasted.

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This may sound like the Sunk Cost Fallacy or even the IKEA Effect, but the key difference is Effort Justification focuses on rationalizing outcomes.

In marketing, you can leverage this to help your customers feel their purchase wasn’t just worth it—it was a smart decision they’re happy they made.
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🤑 How To Apply This

Alright, so how can you apply this right now to sell more?

Apps​
​Turn mundane tasks into “earned” experiences

Duolingo rewards users with winning streaks and trophies for daily practice.

The streak doesn’t just help you visualize your progress—it makes the idea of quitting feel like you wasted all that time. No bueno.

But more than that, it makes you believe your time investment (and progress) is valuable and meaningful—even if fluency feels like a world away.

So you rationalize the need to keep practicing—even on days when you’d rather not.

Membership programs​
​Turn membership perks into loyalty magnets

Places like Costco and BJ’s Wholesale Club make you pay to shop there. Oxymoron, right?

But that annual membership fee isn’t just a revenue stream—it’s a psychological hook. Customers who invest in a membership feel compelled to make the most of it.

​

Even if you don’t need a 30-pack of toilet paper right now, the effort and cost of signing up make it hard to justify shopping anywhere else.

And the exclusive perks, like savings on gas and free curbside pick-up, help you rationalize your decision to shop there even more.

​
​Online courses​
​Create an incentive to boost completion rates

According to Podia, 90% of people don’t complete an online course. Why? Motivation fizzles out quick.

That’s why offering a certificate of completion can work wonders.

*Not* because the student will hang it on their wall, but because it gives them something tangible to strive toward.

​

And at the end, it serves as a symbol of accomplishment for the time and effort they’ve invested.

This incentive helps keep students engaged and happy once they reach the outcome, which gives you a much better chance of snagging much-needed social proof—one of the 3 Ps needed to sell.​

💥 The Short of It

Now, we’re no mathematicians, but here’s a simple formula to remember:

Effort invested = increased perceived value of an outcome.

Creating experiences around your product or service that require effort or investment can keep your buyers more satisfied with their purchase—and, consequently, more loyal to your brand.

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Until next time, happy selling!