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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 ...
The radiation-induced bystander effect (bystander effect) is the phenomenon in which unirradiated cells exhibit irradiated effects as a result of signals received from nearby irradiated cells. In November 1992, Hatsumi Nagasawa and John B. Little first reported this radiobiological phenomenon.
The bystander effect [22] is a specific type of diffusion of responsibility—when people's responses to certain situations depend on the presence of others. The bystander effect occurs when multiple individuals are watching a situation unfold but do not intervene (or delay or hesitate to intervene) because they know that someone else could ...
Baader–Meinhof effect; Barnum effect; Bezold effect; Birthday-number effect; Boomerang effect; Bouba/kiki effect; 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 ...
Because the volunteer receives no benefit, there is a greater incentive for freeriding than to sacrifice oneself for the group. If no one volunteers, everyone loses. The social phenomena of the bystander effect and diffusion of responsibility heavily relate to the volunteer's dilemma. [citation needed]
Bystander effect (crowd psychology) (social phenomena) Bystander effect (radiobiology) (radiobiology) C. Cage effect (chemistry) Calendar effect (behavioral finance) ...
Bystander effect (radiobiology), the phenomenon in which unirradiated cells exhibit irradiated effects as a result of signals received from nearby irradiated cells; Bystander Nunatak, a geographical feature in Antarctica; Perpetrators, victims, and bystanders, a typology in genocide studies
The bystander effect is the concept that people are less willing to help in the presence of other people than when they are alone. Research in the late 1960s by Darley and Latane found only 62% of people were motivated to offer help when in a group greater than five people. [ 24 ]