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Lecture

Lecture 23


Department
Psychology
Course Code
PSYA02H3
Professor
John Bassili

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Psychology II Lecture 23
Crowd Behaviour
-people’s behaviours are easily affected by others when in a group
-does not bring the best behaviour out of people
Lynching
-lynching is a murder by crowd without trial and punishment
-took place in southern America
-was treated as an entertainment to the crowd and a warning to black people
-a relationship between frustration and aggression
-people looked for an outlet of frustration
-black people are vulnerable due to the slavery history
-compare price of cotton (economics) with the number of lynching
-when the price goes up, less lynching (inverse relationship)
Gustave Le Bon
-people turn to less sophisticated creature when they are in a group
-even cultivated people become primitive
-unjustified act is viewed as heroic act
Contagion
-idea is spread around and being followed by others
-researchers study clapping behaviour in the science center movie theatre
-when a larger audience begins to clap, more people follow
-when the audience is smaller, less people follow
Deindividuation
-loss of individualism
-lose personal responsibility
-when people wear uniform, they become less individual
-researcher conduct experiment in Halloween
-ask kids who are in costume their name when they are trick-or-treating
-researcher leaves the door and asks the kids to pick up 1 candy from the bucket
-kids that are asked about their name took less candy than kids who do not expose their name
-researcher conduct experiment about people’s baiting in a suicide event
-more baiting in a darker environment, a larger crowd size, and longer distance (deindividuation)
Groupthink
-people feel invulnerable in the group and the group’s decision is moral
-individual does not voice disagreement
-mind guard prevent message from reaching leader and others
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