Famous "Effects" in Science and Psychology

The tendency of any treatment, even an ineffective one, to exhibit results because the recipient believes it will work

Social psychological theory that states that individuals are less likely to offer help to a victim when there are other people present

The process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without this atmosphere

Snow produced when a cold air mass moves across long expanses of warmer inland bodies of water

The change in frequency of a wave in relation to an observer who is moving relative to the wave source

Concept in chaos theory where small changes can have large consequences.

Trope where a caregiver falls in love with his or her patient

Psychological phenomenon wherein high expectations lead to improved performance (think My Fair Lady)

Phenomenon that occurs when an attempt to hide or censor information has the unintended consequence of increasing awareness of it

Phenomenon where a large group of people remember something differently than consensus reality agrees upon

Cognitive bias that people with low ability overestimate their own ability, while people with high ability underestimate their own ability

A cognitive bias in which consumers place a higher value on products they assemble themselves