Snowball effect

See also: Snowball

The effect snowball is a evolutionary vicious circle which accumulates with the events considered already present of new facts in increasingly large quantity, with the manner of a geometrical Série or even of a function Exponentielle. This effect draws its name from the example of a ball from Neige travelling along a slope covered from snow: it is imagined whereas the ball will enlarge its course more and more progressively, and this more and more quickly.

The snowball effect is an important engine of the gregarious behaviors. For example, if a person abruptly puts herself to run in a street while howling of terror, it is possible that one or two people starts to run too. If such is the case, there are many chances so that more still of people start to run (ten, for example), and seeing that, the other people in the street will have a probability of adopting the same behavior all the more strong as the number of people having already adopted it is high. The phenomenon car-discusses and its amplitude thus tends to increase more and more quickly.

See too

Internal bonds

Regulation
Syndrome Kitty Genovese
Loop of feedback

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