Tell whether anyone (you or someone you know) is in a harmful cult, and better understand what makes a group a cult.

Test yourself to see if you can figure out which astrological natal chart out of five belongs to a given person, based on a large amount of information about them.

Get personalized recommendations for which of our tools will be most helpful to you and track your progress in a dashboard.

Get a personalized report with your Big Five, Enneagram, and Jungian Type (inspired by MBTI)—the three most popular frameworks—all in one test!

Learn to recognize 3 common binary thinking traps and learn the nuanced thinking techniques you can use to combat them.

Keep track of your goals and your progress, so that you can more reliably achieve what you set out to do. Includes optional mechanisms for accountability.

Take a quiz to see how self-compassionate you are, then learn and practice two simple techniques to help develop more self-compassion.

Get tips for better collaborative structures, and discover our checklist for effective collaboration.

Get a glimpse into the opportunities that may await humanity if we can avoid disasters such as nuclear war and extreme climate change. Invite your imagination to take flight with 11 multiple-choice questions.

Test your knowledge of artificial intelligence and some of the risks it poses!

Most of us can benefit from regularly reflecting on our lives, but few people make the time to do so. This tool is designed to make that easier.

Build a list of your personal principles, to keep them top of mind and make better decisions, faster.

Train yourself to implement positive actions in your day-to-day life with simple "if-then" rules

Learn how to reframe the way you experience upsetting situations, how to find alternatives to self-criticism, and how to learn what you've used in past experiences to move forward

Bad arguments are all around us. Train yourself to instantly detect common reasoning errors that often go unnoticed.

Make a plan to ask for specific, honest criticism on an aspect of yourself that you'd like to improve

False or exaggerated beliefs about ourselves can hold us back and harm our relationships. Learn to overcome them with three simple strategies!

Our beliefs determine our behaviors and how we interact with others. Use this program to refine your beliefs and form more accurate views.

Learn the skills to have an effective confrontation using techniques recommended by experts in conflict resolution

Take our test to get a customized report on your strengths and weaknesses as a potential startup founder. Learn if you have the traits and skills you need to succeed!

Find out what you value most in the world, and compare those values to others', with this fun, comprehensive quiz

There is more to interpreting evidence than you might think. Learn to improve your predictions by understanding evidence on a deeper level using Bayes' rule.

When we have invested heavily in a project, it can be difficult to evaluate it objectively. Learn about why this happens and how to combat it.

Get a custom report that will help you make decisions based on the value of your time, like whether to take on extra part-time work or hire your own help.

Powered by many of the most significant discoveries from the science of motivation and built by a world expert, this tool teaches you how to set the most effective goals.

This quick tool is designed to give you a clearer sense of how you rate your own reasoning chops - and how your confidence compares to others.

Discover what brings you the most joy and personal life satisfaction and review how to experience them more often

Learn about which coping behaviors harm more than they help, and make a plan for replacing your own unhelpful coping mechanisms with a strategy that will benefit you in the long-term!

What can you do to achieve the optimal sleep experience? This tool creates a set of personalized recommendations based on your specific situation

This tool teaches the skill of Active Listening, a strategy commonly used by therapists, helpline volunteers, and hostage negotiators to help people feel supported and understood

Pair these tried and tested happiness techniques with simple activity triggers to rapidly improve your day-to-day experience

Find out how well you can spot misleading rhetoric and recognize your own bias using real-world examples

Based on the "Ten Conditions for Change" framework, this tool walks you through all the steps required for successfully changing your behavior for the better

Do you care about formal qualifications? Take this mini-test to find out where you fall on the Credentialist to Non-Credentialist spectrum.

This tool helps you reflect on the meaning of the words we use to describe emotions and the sensations that accompany them, with the aim of helping you better articulate how you feel

This module teaches simple techniques to help you form new creative habits and applications

In this mini-course, you'll learn how to use a technique called Prospective Hindsight to think about your future plans with more depth and clarity

Tips for being more productive for those who frequently procrastinate on personal or professional projects

Are your guesses truly independent? Or is it possible that you're being manipulated by irrelevant information without your knowledge?

A quick quiz to test your ability to estimate the frequency of events and compare your scores to others'.

Take this quiz to learn what philosophical beliefs you hold, and discover whether these beliefs are predicted by your psychological traits

Learn to make the most of your charitable contributions with this detailed and informative guide.

Want to make a plan for accompanying your biggest dreams? Use this tool to become happier and to more easily achieve your long-term goals.

Scientists have discovered a slew of systematic errors in human thought. Learn about a few of the mind's mistakes in this brief introduction.

Discover how accurate your confidence levels are likely to be for any skill.

Learn the ability to consider situations and ideas from different perspectives and develop a more positive perspective, especially against negative self-talk.

Test how accurate your understanding of psychology is by practicing and improving your ability to make predictions.

Learn techniques to have constructive arguments that are beneficial for your relationships.

Take the challenge to identify the correct global trends on a variety of topics - from Africa's future population to the evolution of CO2 emissions in the US.

Can you spot bad reasoning? Learn about five types of faulty arguments and take a quiz to see how well you can spot them!

Uncover the history of pandemics, test your biosafety knowledge, and learn essential steps to safeguard humanity's future.

Take this quiz to work out in which areas you can improve your work experience, and craft a plan to do it.

Learn and practice principles of non-violent communication, to build stronger relationships, resolve conflicts, and improve your self-understanding and awareness.

Learn how to repair your relationships by constructing or requesting effective apologies.

If you want to make the world a better place, emotions can both help and hinder your progress. Use this tool to understand and overcome these challenges!

Test your knowledge of some of the world's most pressing problems: global health, animal welfare, and existential risks to humanity.

Learn to spot and overcome your political biases and test your policy knowledge with this fun, free quiz

Why do you believe what you do? Learn how you see yourself influences the beliefs that you choose to hold

Facing a challenging or harmful situation? This tool will help you think through your options, using a simple decision-making framework.

Learn a skill recommended by positive pyschology to increase satisfaction and deepen your happiness. Lift your spirits and create lasting positive feelings!

Take this mini-test to find out whether you have the two personality traits that are essential for discovering true things about the world

Take this test to get a personalized set of activities that can support you in adding fulfillment and meaning to your life.

Separate fact from B.S. in this fun quiz that asks you to identify the misconceptions among 30 common beliefs.

Facing a challenging, complex, or emotionally-charged decision? Try this tool for organizing your thoughts and weighing your options numerically

Learn about how certain sounds can have a particular connotation or meaning by finding out what sound fits your personality best

Ever notice that projects usually take longer than people predict? Understand the science behind this phenomenon and become a more reliable planner.

Examine different aspects of your relationship with a partner, close friend, or family member using an open, non-judgmental approach

Learn the mathematical rule that governs the way statisticians and scientists handle evidence

Find a charity that matches your altruistic priorities and is highly effective at advancing its chosen mission

Tips on how to recognize if someone is at risk of suicide and advice on how to speak to them about it from experts in suicide prevention

How do you make important life decisions when faced with uncertainty? Learn a simple technique that lets you choose between other options or committing to what you know

Discover the beliefs that inform your personal worldview, whether you see the world as more safe than dangerous, more interesting than boring, or more meaningful than empty.

Create A Mood Association: learn to generate a mental state of your choice in the situation you want using a quick, reliable technique.

Create a personalized, step-by-step plan for your chosen goal and set a regular schedule of reminders so that you can keep track of the milestones that you achieve

Invest in an effective work style and use our productivity formula to plan your own productivity system that incorporates techniques for optimizing your time, efficiency, and value

This free program contains thousands of question sets to help you become adept at making well-calibrated judgments. It also tracks your progress over time so you can see how you improve!

Using the Japanese concept of Ikigai, "a reason for getting up in the morning", this tool helps you identify which aspects of your career you find fulfilling

See if you can guess which social interventions had a positive effect, a negative effect, or no effect, based on a short description.

This tool builds you a custom habit-formation strategy in three simple steps, so you can change your daily routine for the better

Devise informal experiments for improving your everyday experience and personal routines, with a little help from this handy tool.

How do you interpret uncertain events? This mini-course teaches you how to look past your first explanation and get closer to the truth

Take this fun test to learn about the relationship between gender and personality, based on data from over 15,000 people! Learn about yourself with this gender stereotypes / gender role test.

Can you guess which of these high-profile experiments were legit?

Learn which of 16 reasoning styles you use, your overall level of rationality, and what you can do now to improve your rationality skills

Discover whether you retain a faithful representation of the events you witness with these two, quick memory tests

Learning from mistakes is challenging. Try our approach and you can rebound from your mistakes and carry on as an even better person.

Answer these open-ended questions (alone or with others) to learn new, important insights about yourself.

Learn how to navigate arguments effectively and kindly using a situation of your choosing

Brighten your disposition fast with scientifically-tested exercises that can improve your mood and and dispel the blues.