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One social-psychological theory of aggression is the social-learning theory. BANDURA suggested
that as well as being learnt through direct experience, aggressive behaviour can be learnt indirectly,
through observation of others. If a person observes aggressive behaviour in a model, they may…

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week following a major televised boxing match, suggesting that viewers were imitating the
aggressive behaviour they observed in the boxing.

A final strength of this theory of aggressive behaviour is that it can explain cultural differences in
aggressive behaviour. For example, aggression among the Kung San people of Southern Africa…

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Deindividuation is a social psychological explanation of aggression. It refers to the loss of personal
identity and responsibility that occurs as a result of being in a crowd of people, or wearing a mask.
DEINER detailed deindividuation as 4 effects of decreased…

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In a further study ZIMBARDO used female students to give electric shocks to other female students
who were actually confederates. Some participants wore their own clothes and ID labels; others
wore white costumes and cloaks, masking their identity. The latter gave a much higher number of
shocks than the former,…

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Institutional aggression refers to aggression within or between groups or institutions. Much of the
research on models of institutional aggression has been done in prison environments. The
importation model was introduced by IRWIM ET AL which suggests that inmates in prison bring their…

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psychological hazing.

The deprivation model suggests that aggression in prisons and other institutions is the product of the
stressful and oppressive conditions of the institution itself. For example, aggression in prisons can be
catalysed by deprivation of liberty, lack of autonomy, lack of goods or services. HODGKINSON ET AL

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DABBS looked at the relationships between testosterone, crime and prison behaviour. Testosterone
levels were measured in the saliva of 692 adult male prisoners and found that those who has been
convicted of sexual and violent crimes had higher levels of testosterone than inmates who had
committed less physically aggressive acts,…

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The neural/hormonal explanation of aggression is reductionist as it over-simplifies complex
behaviour and focuses solely on the cause of aggression being a structural or chemical problem.
Aggression may also depend on social situations and events and cannot be attributed to only
biological factors. It also fails to explain why there…

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in aggressive behaviour. However, the research cannot account for aggression in females as they
also carry the X chromosome, which implies that other extraneous variables may be interacting with
the gene to cause aggression only to occur in the male mice. This is a problem, as we cannot fully

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Another piece of research to supports the link between genetic factors and aggression comes from
LAGERSPERTZ, who bred 25 generations of mice with the most aggressive bred together and least
aggressive bred together. This resulted in two different strains of mice; super-aggressive and docile
therefore demonstrating how aggressive behaviour is…



so helpful, thanks

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