In the middle of the 20 th century, the field of psychology had a problem. In the wake of the Manhattan Project and in the early days of the space race, the so-called “hard sciences” were producing ...

Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...

Editor’s update: The Economist has published a revised version of its style guide. The first words are the hardest. For many of us writing is a slog. Words drip with difficulty onto the page—and ...