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After extracting nearly 500 techniques from 106 self-help books and 23 therapies,
we found something surprising - they all collapse into just 12 strategies.

The 12 Levers

The Complete Psychological Toolkit for Improving Your Life

by Spencer Greenberg and Jeremy Stevenson

Why Isn’t It Free?

The Clearer Thinking Cognitive Assessment isn't just another generic online quiz that you'll take and forget about your results. Its purpose is to provide accurate and actionable insights into your cognitive strengths and areas for improvement, so you have a better chance of achieving your life goals.

It is a scientifically developed, professional cognitive test that gives you a comprehensive picture of your intelligence across seven key domains, not just one. Here is what you get:

Detailed Intelligence

Report

Detailing your strengths and
areas for growth
across seven key domains of your intelligence

IQ Certificate

(Optional)

So you can have an official-looking document that acknowledges your intelligence level.

Custom Career
Recommendations

Career and learning recommendations based on your strengths and areas for growth

Three Tests
Attempts

Each purchase allows up to three attempts, and your access never expires. Try it anytime!

We take your privacy seriously. For more information about the research behind this assessment and why we made it, see our article here.

What Others Have Discovered

Join hundreds of curious minds who take self-development seriously and uncover your cognitive strengths - when how they can be used to leverage your progress in life.

I loved that it’s research-backed.
It felt like I was learning something genuinely scientific about myself.

Emily, United States

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THE PROBLEM

Self-Help is Overwhelming.
This Book Simplifies It.

The most important ingredient in any self-help resource isn't the stories or the theory - it's the techniques. But despite the abundance of resources out there, almost nobody knows the full range of effective techniques and how to apply them. That's the problem we're aiming to solve.

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WHAT YOU'LL GAIN

Knowing the 12 Levers
prepares you for the problems
that life will throw at you.

You'll learn how to…

Way Beyond Conventional IQ Tests

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The Clearer Thinking Cognitive Assessment is based on rigorous research by Spencer Greenberg and Belen Cobeta, drawing from decades of scientific work on intelligence.

Unlike conventional IQ tests, it was intentionally designed to measure seven distinct cognitive abilities, giving you a broader and more accurate understanding of how your mind works, not just how well you take tests.

Ready to Take the Next Step?

Uncover your cognitive strengths and understand where your intellectual strengths and weaknesses lie.

Questions? Don’t hesitate to contact us at info@clearerthinking.org

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