aggression Flashcards

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1
Q

Bandura

A

SLT can explain why children develop aggressive tendencies.
1.Children observe actions of significant others (role models) or on television.
2.Retain the information
3.Reproduce the behaviour through imitation.
4.Vicarious experience - learning from the consequences of others’ actions.
Bandura noted; cognitive aspect -learning of aggression behavioural aspect- reproduction of learned behaviour.

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2
Q

Research support for Bandura

A

(bobo doll)
Children who observed the aggressive model made far more imitative aggressive responses than those who were in the non-aggressive or control groups.
Evaluation: Relies on experimental evidence which lacks ecological validity because the setting was artificial.

Robertson: Does excessive television viewing in childhood cause ASB in early adulthood.
Method: Followed behaviour of 1037 individuals born 1972-73 until 27 years old. Looking at associations between tv viewing from 5-15 years old and four variables;
Criminal convictions
Violent convictions
Diagnosis of antisocial personality disorder
Aggressive personality traits in early adulthood
Findings: Those that watched the most TV were the most likely to have the 4 variables.
The findings were significant after controlling for; sex, IQ, socioeconomic status, previous ASB.
Conclusion: Excessive television viewing in childhood is associated with ASB.
Evaluation:
Matched pairs: there can be no other reasons for the correlation.

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3
Q

SLT IDA

A

-Practical applications: Children should not watch excessive amounts of TV - reduce aggression.
Programmes should identify what age they are suitable for.
-Cultural differences: The Kung San community rarely display aggressive behaviour which means the society produces individuals with low levels of aggression-> aggression must be learnt and is not biological.

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4
Q

de-individuation

A

People are more likely to act in an antisocial manner when identification of the self is difficult or impossible.

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5
Q

how does individuation cause aggression (4)

A

1.Individuals in a group do not feel they are singled out by others. - this is adoption of group identity.
2.This provides them with a sense of anonymity meaning they are not bound by norms and primitive urges are more likely to be acted upon.
3.Being less likely to be identified = less likely to be punished = reducing inhibitions.
Anonymity also reduces concerns about others’ perception 4.of them. Normally, behaviour is controlled by fear of guilt, shame or punishment. - being in a group weakens these controls.

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6
Q

Zimbardo and deindividuation

A

Individuated behaviour - rational and conforms to accept social standards.
Deindividuated behaviour - based on primitive urges and does not conform to societal norms.

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7
Q

Public self-awareness:

A

being anonymous to others reduces self consciousness

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8
Q

Private self-awareness:

A

person who is self focused and acts on internalised morals and attitudes

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9
Q

Research support for deindividuation

A

Malamuth & Chuck:
Questioned American male university students finding ⅓ might commit rape if they could not be identified.
This supports the idea that deindividuated behaviour is more likely to be anti-social and aggressive than individuated behaviour.
Watson:
looked at warriors in 23 societies.
12/13 societies that acted brutally toward enemies (i.e. torture, murder or mutilation) significantly changed their appearance before attacks.
Societies that were less brutal: 7/10 did not change their appearance.

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10
Q

evaluation of Malmuth and Chuck

A

study may be impacted by social desirability bias, therefore the true proportion could be even higher.

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11
Q

IDA/Evaluation of Watson

A

Cultural bias: interpretation of changing appearance may be misinterpreted as it may be an expression of individuality opposed to practice of deindividuation.

Triangulation of interviews, lab experiments and anthropological observations provides reliable evidence for the role of deindividuation in aggressive behaviour.

When we dress up (deindividuate) we may simply respond to schemas of what you dress up in. For example, hoodies associated with aggression whereas nurses are associated with helping people.

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12
Q

Deprivation model

A

5 pains of imprisonment
Deprivation of:
1.liberty
2.goods and services
3.heterosexual relationships
4.autonomy - subject to rules and commands
5.security - risk from other inmates
All result in frustration and despair and ultimately aggression.
Stressful environment encourages use of aggression as either attack or defence.

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13
Q

Evaluation of deprivation model

A

Irwine and Cressey: Deprivation is only partly responsible for aggression. It focuses too heavily on environment. It views prison as a closed environment rather than looking at outside influences brought into the prison.
The importation model is an addition to deprivation model - it accounts for outside learnt behaviours.

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14
Q

Importation model

A

Concerned with what prisoners bring into the institution.
Aggression is the result of offenders’:
-Attitudes
-Beliefs
-Values
-Behaviours
Prison populations contain many subcultures all having their own norms and values which were developed outside and imported into the prison.
Subcultures tend to share common backgrounds;
-Socio-demographic characteristics
-age
-ethnicity
-criminal career variables; time served and offence history.

The model suggests aggression stems from patterns of behaviour learnt at a young age.

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15
Q

Importation model De Lisi: method

A

30 male ppts chosen at random from a sampling population in south-west USA.
Look at variables relevant to importation model (age, ethnicity, violence history, family and social support)
Measuring only most serious forms of inmate misconduct (rape, murder, assault, rioting, possession of weapons etc.)
Controlled for length of sentence as longer sentence provides more opportunity for engagement in aggressive acts.

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16
Q

Importation model De Lisi: findings

A

Strongest predictors of violence were criminal career variables; violence, confinement and escape histories.
Inmates from ethnic minorities were significantly more aggressive.
Less formal education and social support = significantly more violent acts in confinement.

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17
Q

Importation model De Lisi conclusion

A

Support for the idea that importation of characteristics, behaviours and beliefs are a significant cause of violence in prison.

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18
Q

Importation model De Lisi: evaluation

A

Lacks external validity as sample is limited to one U.S state.
Lack internal validity - ignores ‘deprivation’ factors.
Acts as convincing support for importation model.

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19
Q

Jiang and Fisher

A

Method: 430 disciplinary reports from men’s prison in southern states of USA. Interviews with inmates and prison staff.
Findings: Both importation and deprivation factors correlated with violent incidents. Deprivation factors were more powerful than importation factors in explaining violent misconduct. (significance between models is very slight) - Supports DeLisi.

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20
Q

Grapendaal:

A

Method: Examined components of deprivation and importation models and ability predict inmate behaviour.
Also looked at inmates level of opposition and exploitation
Using standardised questionnaires, prison data, observation. (triangulated)
3 prisons in Holland (114 males)
Deprivation model was a better predictor of opposition.
Exploitation of others was predicted equally by deprivation and importation factors.
Conclusion: Deprivation model is better for creating prison policies because variables can be addressed to reduce aggression.

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21
Q

IDA/evaluation for importation model

A

Reductionist: Only explains aggression using social psychological factors (nurture approach), ignores biological approach.
Practical applications: Suggests a mixed economy in prisons, also helps aid prison policies.
Deprivation model is more reliable: supported by Jiang and Fisher and Grapendaal.

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22
Q

Lucifer effect

A

Zimbardo

Explains aggression from authoritative figures to prisoners. Assuming environment of prison promotes aggression.

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23
Q

3 parts of the Lucifer effect

A

Dehumanisation of others: prisoners are seen as less human - easier to treat them badly.
Deindividuation of self: feeling less identifiable = less self conscious therefore it is easier to act against norms and values. For example, guards uniforms.
Uncritical conformity to group norms: feeling pressure to conform with majority may result in aggressive behaviour. May be driven by normative social influence - desire to fit in.

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24
Q

Research studies and evaluation for Lucifer Effect

A

Reicher and Haslam: The aggression in prisons such as Abu Ghraib may simply be exhibiting of attitudes from one group to another. (Pre-existing attitudes/cultural and religious attitudes - prejudice)

Zimbardo: Stanford prison - acts as support for The Lucifer Effect as guards quickly became abusive to prisoners when given authoritative role. HOWEVER this is artificial. Ppts were aware the experiment was artificial so may have just gone along with it.
In the study people were randomly assigned to guard roles but in real life people choose this job meaning certain people with these personality traits are attracted to authoritative roles.

Ethical issues: Legitimises abuse.

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25
Q

Mason and Frick

A

Extent of role of genes: 50% genetic
Method: TWIN STUDIES: meta-analysis
Evaluation:
Meta-analysis = larger sample. Reduces methodological weaknesses in any one study.
Twin studies criticised for differential shared environment. (similarities other than environment which may contribute to higher correlation)

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26
Q

Cocarro

A

Extent of role of genes:
40% (genes accounted for more than 40% of individual differences in aggression)
Method: Assessed degree of genetic and environmental influences on aggression in male ppts.
182 MZ twin pairs and 118 DZ twin pairs.
Evaluation: Twin studies criticised for differential shared environment. (similarities other than environment which may contribute to higher correlation)

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27
Q

Rhee and Waldman

A

Extent of role of genes: 40% (genetic component of antisocial behaviour across 51 studies)
Method: Assessed degree of genetic and environmental influences on aggression in male ppts.
182 MZ twin pairs and 118 DZ twin pairs.
Evaluation: Twin studies criticised for differential shared environment. (similarities other than environment which may contribute to higher correlation)

28
Q

conclusions from studies on aggression as hereditary behaviour

A

Genes have an impact on aggression (40-50%)
The amount attributed to genes dependent on research conducted.
It shows that the environment also has a role to play - perhaps even more so than genetics.

29
Q

studies on aggression as hereditary behaviour: twin studies evaluation

A

Research assumes that MZ and DZ twins raised in the same environment have the same experiences, parents, teachers peers etc. treat MZ twins more similarly than DZ twins. They are not perfect genetics vs environment studies as society treats MZ twins more similarly than DZ twins.

30
Q

outline inheritance of genes

A
  1. Alleles (on chromosomes) contain genes (alleles can be identical - recessive or dominant or be both)
  2. Dominant gene alleles determine the outcome (characteristic)
  3. Specific arrangements of DNA elements on a gene act as building blocks for proteins and enzymes which build cells in the body.
  4. Therefore, genes are like chemical codes for the construction of every cell.
  5. We inherit genes from parents - it is thought we can inherit psychological traits so ultimately aggression could be hereditary.
31
Q

MAOA enzyme

A

Breaks down noradrenaline, dopamine and serotonin.
If the gene responsible for producing MAOA is defective these neurotransmitters will not be broken down, leaving excess in the body.
Noradrenaline → activates fight or flight response
Serotonin and dopamine → imbalances frequent in aggressive patients.

32
Q

Caspi et al

A

Looked at environment combined with deficient MAOA enzyme.
a.effect of MAOA alone → no significant difference in ASB
b.effect of maltreatment during childhood alone→ significant difference in ASB
c.effect of both no childhood mistreatment and normal/mutant MAOA activity → no significant difference in ASB
d.effect of both severe childhood mistreatment and normal/mutant MAOA activity → significant difference in ASB
Low MAOA activity did not lead to aggression, maltreatment was weakly associated with later aggression, in combination they lead to high levels of aggression.

33
Q

IDA MAOA

A

Deterministic: Peoples’ aggression is the result of their surrounding and genetics - factors that cannot be helped.
Socially sensitive: Not desirable to seek genes identified in ASB as it excuses this behaviour.

34
Q

serotonin

A

Plays an important role in the control of emotions and motivations.
Serotonin can have a calming effect on the brain.

35
Q

Brown

A

Findings & Conclusion: Major waste product of serotonin is low in patients displaying aggressive behaviour.
Method: Clinical tests
Evaluation:
-ignores external factors that may lead to aggression
correlation cannot prove causality.
-Biological measure if objective, high face validity.

36
Q

Mann

A

Findings & Conclusion: Hostility levels increase in males (not females) when using a drug that depletes serotonin levels in the brain.
Method:Manipulation
Questionnaire
Evaluation: -Change induced artificially so cannot generalise to natural serotonin depletion.
-Good test of causality - I.V

37
Q

Ferrari

A

Findings & Conclusion:
Experience of fighting changed rats’ brain chemistry.
Preparing to fight altered levels of serotonin and dopamine in ways consistent with aggressive behaviour.
Method: Let rats fight everyday for 10 ten days the measured their dopamine and serotonin levels on the 11th.
Evaluation:
-Hard to generalise findings to humans.
- Social and emotional factors not the same in rats as human.
-only establishes neurochemical changes, not actual behaviour.

38
Q

Dopamine and aggression

A

Increased levels of dopamine results in increased levels of aggression.

39
Q

Buitelaar

A

Antipsychotic drugs which reduce normal activity of dopamine reduced aggressive behaviour in violent delinquents.

40
Q

Ferrari

A

Dopamine levels in brain increased when they prepared to fight.

Dopamine can be seen to play a motivational role in aggression.

41
Q

Couppis et al

A

Dopamine reinforces aggression. Some individuals actively seek violent encounters because of the rewarding sensation provided by dopamine increase.
HOWEVER this does not establish cause and effect simply correlation.
There is not a simple biological switch to cause aggression, dopamine causes an emotional state that leads you to seek aggressive encounters.

42
Q

brain structure and aggression

A

When there are irregularities in brain structure this can impact the functioning. It appears that the hypothalamus and amygdala are associated with aggression.

43
Q

Flynn

A

When the hypothalamus was stimulated in cats they were more likely to show preditorial aggression.
Lesioning of the hypothalamus however, lead to inhibition of aggression.

Lesioning of the amygdala had a taming effect.

44
Q

Phineas Gage Case Study

A

When his frontal cortex was damaged severely he became aggressive and unable to stay in a job.

45
Q

Evaluation of brain structure theory

A

Potegal: It is okay to generalise animal findings to human biology as the basic biological factors in neural circuitry that is related to regulation of emotion is similar in humans and animals. There are qualitative differences such as social factors.

We cannot assume aggression has a singular cause , many other factors have been sought to cause aggressive behaviour for example socialisation, alcohol abuse.

46
Q

Basal Model
Reciprocal Model
aggression → testosterone (level of testosterone alters with level of dominance/aggression)

A

testosterone → aggression (level of testosterone determines level of aggression)

47
Q

Reciprocal Model

A

aggression → testosterone (level of testosterone alters with level of dominance/aggression)

48
Q

Adaptive value of male aggression

A

can be used to scare off other potential male mates (rivals) a.k.a Rival Male Aggression.
Aggression toward the female makes adaptive sense as it aims to ensure females stay faithful, making sure they have sole access to the female.

49
Q

Guttmacher

A

81% of household homicides were motivated by suspected infidelity.

50
Q

Mate retention strategies

A

Mate Retention: Retaining the mate to enhance reproductive fitness.
Debasement: giving into her every wish.
Intrasexual threats: threatening other men.
Violence towards the female.

51
Q

Reasearch evidence for Mate retention

A

Dobash and Dobash: victims of domestic violence frequently report extreme sexual jealousy in male partners as the cause of the aggression.
Shackelford: Men use 2 types of retention that correlate positively with their violence scores; intersexual negative inducements and direct guarding.
Findings from a study on an unrelated female sample confirm validity of findings in male study ‘intersexual negative inducements’ and ‘direct guarding’ were associated with female directed violence. Men that used emotional blackmail were more likely to violence.

52
Q

Sexual coercion

A

Rape, forcing the female to have sex without her consent- makes adaptive sense as it increases the chance the female will give birth to his offspring.

53
Q

research evidence for sexual coercion

A

Goetz and Shackelford: Men who had sexually coerced their partners were more likely to report that their partners had been unfaithful.

54
Q

rival deterrence/elimination

A

Use of aggression to deter other mates.

55
Q

research support for rival deterrence/elimination

A

Daly and Wilson:
Murder is age related - early 20’s (peak reproductive years)
Looked at 8 studies about love triangles. 92% of those murdered were males killing males. (8% females killing females) - few females kills other females as they have maternal certainty.

56
Q

IDA for infidelity/sexual jealousy theory

A

Practical applications: Mate retention tactics may be indicators of violence against women.
Deterministic: It excuses violence by suggesting it is innate (legitimises)
Nature/nurture debate: If aggression was a natural response all men would act in this way but this is not the case. For example, it may be learned behaviour. (nurture approach)

57
Q

status among males as a motivator for aggression

A
  • High status males have access to resources that are important for survival and access to females needed for producing offspring.
  • Aggression, in many cultures is perceived as a means of -climbing hierarchies and achieving status.
  • High status men control their females thus reducing the chance of low status males reproducing - leading to the prediction that low status males are more likely to commit aggressive acts to compete for status and enhance reproduction chances.
58
Q

IDA for males status as cause of aggression

A

Daly and Wilson: Conflicts resulting in murder - motivator in most cases was status. Victims and offenders likely to be unemployed and unmarried men (low status). Most victims knew each other so were aware of rival’s status.
This differs from infidelity/jealousy as it focuses on attracting a mate rather than retaining a mate.

59
Q

IDA for acquiring status

A

Nature/nurture: Claims aggression as a result of low status is innate however, not every low status male is aggressive. Through socialisation we are able to override instinctive drives. This weakens the approach as it suggests social factors are more influential than biological factors.
Deterministic: Claims that low status males will act in an aggressive way. Legitimises aggression.

60
Q

examples of group displays of aggression

A

sports

war

61
Q

Kong

A

War is an effective strategy for rapid spread of genes. Those that engage in war are more likely to survive and reproduce their genes.
1.Securing access to scarce resources
Evolutionary theory sees war as a competition for scarce resources in order to ensure survival.
2.Reducing overpopulation
Removal of other humans so that there are more resources available for your own group.
3.Aggressors forcing their own genes onto the vanquished group.
To force their race and spread their culture upon the defeated. This is to ensure domination of descendants. - Genetic preservation.

62
Q

Holt and Lewis

A

Engaging in war as a group gives men status within a group. This status allows men to get more women and pass on their genes easier.

63
Q

Le Bon

A

Rather than group display of aggression being a result of personalities it is more that the group form a collective mind. Group members are all suggestible which means they absorb behaviours and thoughts and imitate them. Group behaviour is taken up quickly often due to atmosphere Le Bon called this ‘group mind’.

64
Q

Turner and Killian

A

In a group situation there are no norms as it is usually unfamiliar. Therefore when one person acts in a distinctive manner i.e. committing rape, the rest accept this as the new norm. This causes the behaviour to spread.

65
Q

IDA for group displays of aggression

A

Le Bon: ‘group mind’ is a better explanation of the torture, killing and systematic rape of women in Vietnam, Rwanda and Bosnia.
The atmosphere of group causes a ‘group mind’. All it takes is one person to commit the crime for the rest to conform.
Turner and Killian: Both this and Le Bon are deterministic. Stating that when in a group situation our free will is removed. It also justifies the acts they commit.