collective behavior

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Images

Haiti earthquake of 2010: search and rescue

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Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya

The Fastest Animals on Earth

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

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Photos

Haiti earthquake of 2010: search and rescue

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Topics

misinformation conformity collective violence diffusion of innovations meme free riding crowd bandwagon effect group mind emergent norm drug use reproductive behaviour human sexual activity locomotion humor communication thought aggressive behaviour feeding behaviour avoidance behaviour

Key People

Leon Festinger

American psychologist

Neil Smelser

American sociologist