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

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

The effect of announcing a new version of a product that causes people to wait and not buy the current product. The Osborne effect was derived from the announcement of the Osborne Executive personal ...

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 ...