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  2. Bystander effect - Wikipedia

    en.wikipedia.org/wiki/Bystander_effect

    The bystander effect, or bystander apathy, is a social psychological theory that states that individuals are less likely to offer help to a victim in the presence of other people. The theory was first proposed in 1964 after the murder of Kitty Genovese , in which a newspaper had reported (albeit erroneously) that 38 bystanders saw or heard the ...

  3. Social experiment - Wikipedia

    en.wikipedia.org/wiki/Social_experiment

    The experiment depends on a particular social approach where the main source of information is the participants' point of view and knowledge. To carry out a social experiment, specialists usually split participants into two groups — active participants (people who take action in particular events) and respondents (people who react to the action).

  4. John M. Darley - Wikipedia

    en.wikipedia.org/wiki/John_M._Darley

    John M. Darley (April 3, 1938 – August 31, 2018) was an American social psychologist and professor of psychology and public affairs at Princeton University. [2] Darley is best known, in collaboration with Bibb Latané, for developing theories that aim to explain why people might not intervene (i.e. offer aid) at the scene of an emergency when others are present; this phenomenon is known as ...

  5. Trolley problem - Wikipedia

    en.wikipedia.org/wiki/Trolley_problem

    In 2017, a group led by Michael Stevens performed the first realistic trolley-problem experiment, where subjects were placed alone in what they thought was a train-switching station, and shown footage that they thought was real (but was actually prerecorded) of a train going down a track, with five workers on the main track, and one on the ...

  6. Human subject research - Wikipedia

    en.wikipedia.org/wiki/Human_subject_research

    The bystander effect is demonstrated in a series of famous experiments by Bibb Latane and John Darley. [32] In each of these experiments, participants were confronted with a type of emergency, such as the witnessing of a seizure or smoke entering through air vents.

  7. List of psychological effects - Wikipedia

    en.wikipedia.org/wiki/List_of_psychological_effects

    Bystander effect; Cheerleader effect; Cinderella effect; Cocktail party effect; Contrast effect; Coolidge effect; Crespi effect; Cross-race effect; Curse of knowledge; Diderot effect; Dunning–Kruger effect; Einstellung effect; Endowment effect; Face superiority effect; False fame effect; False-consensus effect; False-uniqueness effect; Fan ...

  8. Social loafing - Wikipedia

    en.wikipedia.org/wiki/Social_loafing

    Bystander behavior is the inhibiting influence of the presence of others on a person's willingness to help someone in need. When the group's size is large, there will be Bystander behavior. If someone is in trouble, people are less likely to help if other people are present. People assume someone else will help or take action.

  9. Milgram experiment - Wikipedia

    en.wikipedia.org/wiki/Milgram_experiment

    A partial replication of the experiment was staged by British illusionist Derren Brown and broadcast on UK's Channel 4 in The Heist (2006). [42] Another partial replication of the experiment was conducted by Jerry M. Burger in 2006 and broadcast on the Primetime series Basic Instincts. Burger noted that "current standards for the ethical ...