In other words, unlike some people with new theories, we will go out, we'll go into a school and we get products and the products are evaluated, whether it's by teachers or others. The scores are quantified and then we compare performances. ↗
Happiness is a real, objective phenomenon, scientifically verifiable. That means people and whole societies can now be measured over time and compared accurately with one another. Causes and cures for unhappiness can be quantified. ↗