The Replication Crisis: Why Psychology Research Is Broken (And What It Means For You)
I was reading a psychology paper that promised to change how I thought about willpower. The study claimed that ego depletion—the idea that willpower is a limited resource that gets exhausted—had been proven through rigorous experiments. Hundreds of studies supported it. It was taught in psychology courses. It was in textbooks. I built my productivity system around this concept. I scheduled important decisions for the morning. I avoided making choices when I was tired. I believed willpower worked like a muscle that could be depleted. ...