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bystander effect

bystander effect smoke filled room experiment - lateen & Marley 1968

QuestionAnswer
definition The term bystander effect refers to the phenomenon in which the greater the number of people present, the less likely people are to help a person in distress
irl When an emergency situation occurs observers are more likely to take action if there are few or no other witnesses. Being part of a large crowd makes it so no single person has to take responsibility for an action (or inaction)
experiment smoke filled room experiment - Latane & Darley 1968
Aim to see if people are less likely to act in an emergency if others are present
Procedure participants sat in a room completing a questionnaire, alone or in threes. Smoke began pouring into the room. They didn’t know the smoke was part of the experiment (they though they were doing a different experiment)
Results when alone 75% reported the smoke to the eexperimenters. just 38% of participants in a room with two other people reported smoke.
final results In final group the two confederates in the experiment noted the smoke and then ignored it, which resulted in only 10% of the participants reporting the smoke
criticisms/limitations Only 24 subjects so they need to retest to make more reliable (very small) •Deception was used because they thought they were doing another experiment which could've been dangerous - asthma
criticisms - eco Not similar to real-life situations. Combo of many confused people can prompt action. They relaxed and indefferente attitudes of confederaes could have instilled a false sensee of security - ecological validity
Contributions to psychology Sheds light on group behaviours in uncomfortable circumstances. Group of strangers appearing to disregard emergencies is in unfortunately frequent occurrence.
media tends to The media tends to attribute these situations to apathetic or callous witnesses who simply dont care to help victims
Created by: procrast
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