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

The trading effect measures a portfolio manager's effectiveness by comparing their portfolio returns to that of a chosen benchmark. The trading effect measures a portfolio manager's effectiveness by ...

The placebo effect is a mysterious phenomenon that happens when someone’s medical symptoms are lessened through the power of suggestion and expectation – for instance if someone’s illness improves ...