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

You’ve likely heard of the placebo effect, but you might be less familiar with its opposite, called the nocebo effect. Placebos are medications or procedures that appear to be actual medical ...

The Mandela Effect is a type of false memory that occurs when many different people incorrectly remember the same thing. It refers to a widespread false memory that Nelson Mandela died in prison in ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...

Behavioral economists note that spending increases when asset values rise, known as the wealth effect. Housing asset increases often trigger a stronger wealth effect than stock market surges.

The crowding out effect refers to a phenomenon where increased government deficits can lead to a rise in interest rates. This, in turn, can cause activity in the private sector to diminish. The ...