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PSY 105 (152)
Chapter 4

PSY105 - Chapter 4 (PART 2)

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Ryerson University
PSY 105
Helene Moore

SOCIAL PSYCHOLOGY  HELPING BEHAVIOUR • Why do we need to help? • Altruism: self-sacrificing behaviour carried out for the benefit of others o Egoistic helping behaviour - when a person foes something nice for someone else but there is a positive benefit at point of time or in future • Bystander Effect (apathy): the more people present, the less likely any one person will attempt to help o when there are lot of people around, it is unlikely that someone will help someone else o when we are in a crowd, we tend to think other people will help and take the initiative o Diffusion of Responsibility - we are less likely to assist in a large group because responsibility to help is shared • Bystander Intervention o they did a study of deception o people think they are going in to do a questionnaire o how they are going to react if the room their sitting in is attacked with smoke o people who were alone, reacted suddenly o people in the group, they were just sitting down and waiting for others to react (they sat for 4 minutes) THE BYSTANDER EFFECT: WHY DID NO ONE HELP? • case of Kitty Genovese in 1964 • 38 witnesses to the stabbing and murder that occurred over a 30min time span • these witnesses heard the attack but did nothing about it • no one called the police • What kept them from calling the police? Because they all thought someone else is going to call the police • spawned research on the bystander effect SOCIAL RELATIONS: REPRODUCTIONS • Reproductive biology may be a reason for gender differences in selection of sexual partners • men can't get pregnant - they can invest a lot less when picking someone as they don't have a risk of pregnancy • Attraction is based on situational, physical and psychological factors o Mere Exposure Effect: the tendency for liking to increase with the frequency of exposure  most likely to be interested in someone the more you see them  people like familiarity and grow attraction to someone when they are familiar with them o similarity of internal qualities (attitudes, beliefs) is deemed attractive o physical appearances STERNBERG'S TRIAN
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