Famous "Effects" in Science and Psychology

With the clues to help you, name these famous "effects".

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Last updated: October 30, 2021

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First submitted	October 29, 2021
Times taken	296
Average score	33.3%
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Description	Answer
The tendency of any treatment, even an ineffective one, to exhibit results because the recipient believes it will work	placebo effect
Social psychological theory that states that individuals are less likely to offer help to a victim when there are other people present	bystander effect
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	greenhouse effect
Snow produced when a cold air mass moves across long expanses of warmer inland bodies of water	lake-effect
The change in frequency of a wave in relation to an observer who is moving relative to the wave source	Doppler effect
Physical phenomenon in which an insulating vapor layer keeps a liquid hovering instead of boiling away rapidly	Leidenfrost effect

Description	Answer
Trope where a caregiver falls in love with his or her patient	Florence Nightingale effect
Psychological phenomenon wherein high expectations lead to improved performance (think My Fair Lady)	Pygmalion effect
Phenomenon that occurs when an attempt to hide or censor information has the unintended consequence of increasing awareness of it	Streisand effect
Phenomenon where a large group of people remember something differently than consensus reality agrees upon	Mandela effect
Cognitive bias that people with low ability overestimate their own ability, while people with high ability underestimate their own ability	Dunning–Kruger effect
A cognitive bias in which consumers place a higher value on products they assemble themselves	IKEA effect

Level 85

Oct 29, 2021

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