David McRaney Books

Every belief you hold feels like a picture of reality, yet none are pure reflections. They’re constructions—stories your brain tells based on predictions, emotions, and social input. Our beliefs are not logical conclusions we reach; they are emotional commitments our brains defend. We form them thro...

From How Minds Change: The Surprising Science of Belief, Opinion, and Persuasion

The discomfort we feel when holding conflicting ideas—cognitive dissonance—is one of the most powerful forces shaping belief. When new evidence clashes with what we already think, our brains rush to resolve the tension, often by dismissing the evidence instead of updating the belief. I saw this vivi...

From How Minds Change: The Surprising Science of Belief, Opinion, and Persuasion

Most people believe memory works like a recording device: a faithful archive of every sight, sound, and feeling. But the truth is far stranger. Memory is not a file you retrieve; it’s a story you rewrite each time you recall it. Psychological research shows that remembering is reconstructive—more li...

From You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You're Deluding Yourself

You think you understand how things work—how toilets flush, how clouds form, how your phone connects to Wi-Fi—but research says otherwise. Psychologists David Dunning and Justin Kruger famously demonstrated that the less people know about a subject, the more confident they feel about their understan...

From You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You're Deluding Yourself

One of the most common ways we fool ourselves is by believing we know more than we actually do. Ask someone how a toilet works or why the sky is blue, and you’ll hear confident explanations—until they try to write them down. Then, like a magician revealing his own trick, the illusion collapses. Psyc...

From You Are Now Less Dumb: How to Conquer Mob Mentality, How to Buy Happiness, and All the Other Ways to Outsmart Yourself

Every opinion you hold sits atop a mountain of selective evidence. That’s not an insult—it’s how your mind works. Confirmation bias ensures that you notice, remember, and repeat things that reaffirm your existing worldview. It’s what makes political arguments so painful, and why changing someone’s m...

From You Are Now Less Dumb: How to Conquer Mob Mentality, How to Buy Happiness, and All the Other Ways to Outsmart Yourself