Discover the Hawthorne Effect's definition, its historical context, debate over its validity, and how it influences human behavior studies and modern research.

Thoroughbred races have been held under the lights at Hawthorne Race Course in the late fall and winter as daylight diminishes, but for the first time, the Chicago-area track will offer night racing.

When a horseplayer holds an especially strong opinion on a race, he is apt to announce to his brethren: “They’re giving away money here!” Such words usually are uttered with a touch of irony because ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Turn up the lights, and the workers work harder. Turn them down again, and they work harder still. The ...