Famous Effects - Statistics

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General Stats

This quiz has been taken 12,314 times
12,300 since last reset
The average score is 6 of 18

Answer Stats

Description	Effect	% Correct
When a dummy medical treatment causes improvements due to patient belief	Placebo	90%
Tiny changes in initial conditions can lead to large and unpredictable differences later	Butterfly	85%
Gases in a planet's atmosphere trap heat on the surface	Greenhouse	78%
Waves appear to have higher frequency when the source is moving towards the observer	Doppler	62%
When a large number of people share a particular false memory	Mandela	60%
When one event sets off a chain reaction	Domino	53%
An individual person is less likely to take action during an emergency when among a group	Bystander	39%
Beginners tend to overestimate their ability	{Dunning}-Kruger	37%
The path of objects and fluids is curved by the Earth's rotation (in opposite directions on opposite sides of the Equator)	Coriolis	30%
When an attempt to censor or hide information backfires and makes it more widely known	Streisand	28%
Jurors expect unrealistic forensic evidence because of crime TV shows	CSI	24%
Shortly after noticing something for the first time, you see it everywhere	{Baader}-Meinhof	18%
Individuals look more attractive when viewed in a group	Cheerleader	13%
Light striking a surface causes the emission of electrons	Photoelectric	12%
People overvalue things they partially build themselves	IKEA	7%
A group of connected users has exponentially more value as the number of users increases	Network	7%
Measured IQ scores tend to increase over time	Flynn	4%
People believe that others notice them more than they actually do	Spotlight	4%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

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