Bystander Intervention in Emergencies: Diffusion of Responsibility

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10 Terms

1

who was the researcher?

Darley and Latane

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2

What year was this published?

1968

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3

What was the historical context?

The Kitty Genovese Case (1964) and Media Response

Civil Rights Movement

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4

What was the implicit research question

Did no one help because of indifference or as a response to the reactio of the other observers

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5

Who were the participants

72 NYU Psych Students (59 F 13 M)

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6

Can you explain the setup of the experiment?

Discussion over intercoms; no experimenters are listening; victim has a medical emergency
IV: size of percieved group (2, 3, or 6)
DV: time taken to report emergency
Variation in some 3-person groups: Other “bystander” was female, Other “bystander” was male, Other “bystander” was a premed male who occasionally worked at emergency wards in a hospital

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7

What were the overall results

- About equally likely to get help if only one bystander vs 2
- No difference in response time for sex of other bystander, if the bystander is a premed, or sex of actual participants
- In the first 45 seconds victim’s chances by single bystander were 50%, but 0% with 5 bystanders.
- Surveys to measure levels of machiavellianism, authoritarianism, acceptance of social responsibility, need for approval, anomie, social desirability, vital statistics and SES data, but there was no significant correlation
- Individual difference measures correlated with speed of helping, the size of the community that the subject grew up in

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8

Is this study generalizable?

- most people would not be in separate rooms and would be around other people
- large gender bias
- all participants were students (younger age may not have knowledge to help; older age may not have physical ability)

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9

What were some main issues with the study?

Ethical - deception of true emergencies; psychological distress
Methodological - The participants were asked to recall thoughts that entered their minds when recalling the fit. This is a flawed method as asking people to recall memories is subjective and could lead to inaccurate data; Subjects were blocked from seeing each others reactions to the emergency, which isn’t an accurate representation of what would happen in an authentic one.

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10

Is there any other important information?

cultural differences (collectivist vs individualist cultures)!!

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