Discuss evolutionary explanations of human aggression

It could be argued that although a positive correlation was found, it was extremely weak and so we cannot draw any conclusions from it. Discuss the problem for the evolutionary argument in that not all men act the same way in the same situation.

In Discuss evolutionary explanations of human aggression cases, an unintended consequence of this evolutionary behaviour may be her death uxoricide. They found that 58 out of murders had sexual jealousy as an underlying cause, mostly 2 men fighting over one female.

An important implication of research into sexual jealousy and violence is that mate retention techniques e. Discuss the role of neural and hormonal mechanisms in aggression. This suggests that awareness of mate retention strategies can alert friends and family member of the danger signs that might follow.

So, the inability to attract a long term partner and a lack of resources appears to lead to social competition and therefore aggression.

Discuss Evolutionary Explanations of Human Aggression Essay Sample

For instance, Felson examined 2, murders in the US and found that women were twice as likely to murder out of jealousy for men; this is still relevant to an evolutionary explanation because female need males to bring resources and shelter and would be sexually jealous if males devoted these things to another female.

By killing his partner the man at least prevents his competitor gaining a reproductive advantage over him.

However, much research of infidelity is alpha biased by maximising the differences between male and female behaviour in sexual jealousy.

A second cause of aggression could be status. Neurotransmitters are chemical that allow impulses in one area of the brain to be transmitted to another area.

Click each question to see the full answer. Lastly, the explanation can also be criticised as a deterministic explanation. Most studies involve all male participants and so we cannot generalise these findings to females and cannot draw any conclusions about the affect of testosterone on female behaviour.

This can explain why male sexual jealousy is often cited as a cause of domestic violence. Individuals act aggressively when their intent is to inflict injury, whereas they act dominantly if their wish is to achieve.

Although this is not the case now, the gene may still exist, so there has been a genome lag which is causing aggression in humans. In many countries it is seen as acceptable to murder an adulterous wife or her lover, e.

How does gene survival explain aggressive acts such as domestic violence and uxoricide? These findings were also supported by similar studies involving different species fo animals and so it is not solely specific to mice.

This approach cannot explain why some men react differently to the same stimulus. This is further emphasised by individual differences which the evolutionary theory cannot account for, such as why males react differently with the same adaptive problem. In animals particularly, the influence of testosterone on dominance behaviour might be shown through aggressiveness.

Illustrate the link between male jealousy, mate retention and violence using research studies e. A Level exam tips Answering exam questions PSYA3 AQA A specification Outline and evaluate research into sexual jealousy as a cause of human aggression 24 marks 8 AO1 marks come from outlining the evolutionary debate in terms of men never being able to be certain that they are the father of a child, and needing to ensure that they are not subject to cuckoldry.

Testosterone has been linked to aggression and as it plays a part in increased muscle and bone mass, this suggests that it plays a structural role in influencing aggression.

The idea that uroxide was unintentional was challenged by Shakelford. This blog is relevant to the current specification as of Both neural and hormonal mechanisms in aggression are the biological approach and so both are reductionist. It ignores other factors such as culture which has shown to cause aggression as a result of socialisation e.

In addition, Camilleri also found that men convicted of raping their partners were more likely to have experienced cuckoldry risks prior to their offence compared to men convicted on non-sexual partner abuse. This is because humans have a more complex physiology, for example, and so may respond quite differently.

Releigh found that monkeys fed on a diet which decreased their serotonin levels increased their aggressive behaviour however, on a diet that increased serotonin levels, the monkeys displayed reduced aggression. Antipsychotics which reduce dopamine however, have been shown to reduce aggression, thus supporting this explanation.

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Shackleton et al also demonstrated the link between mate retention, jealousy and violence. Archer actually found that the association between testosterone and aggression is higher for female than male samples. Some drugs are thought to alter serotonin levels and thus increase aggressive behaviour.

Making A level psychology easier Evolutionary explanations of human aggression Jealousy and infidelity How can evolutionary pressures and natural selection explain human aggression? Male sexual jealousy may therefore have evolved to prevent infidelity by women and reduce the risk of cuckoldry.

A strength of the research is this area is its practical applications. A second evolutionary explanation of human aggression is the evolution of homicide.Discuss evolutionary explanations of human aggression (8marks + 16 marks) Aggression is a behaviour directed towards another intended to harm or injure.

PsychTeacher. Making A level psychology easier. Evolutionary explanations of human aggression Jealousy and infidelity How can evolutionary pressures and natural selection explain human aggression? Discuss the problem for the evolutionary argument in that not all men act the same way in the same situation.

Remember to build in synoptic links. Discuss Evolutionary Explanations of Human Aggression (8+16) The evolutionary explanation to aggression suggests that aggression is an evolved adaptation designed to enhance reproductive fitness (survival and passing along genes).

May 21,  · Discuss evolutionary explanations of human aggression, including infidelity and/or jealousy. (8marks + 16 marks) Evolutionary explanations of aggression are an adaptive response to ensure the genes are passed onto their offspring.

Sexual jealousy is often the reason for aggression as males experience paternal uncertainty, thus do not want to unwittingly invest resources in offspring.

Discuss evolutionary explanations of human aggression One evolutionary explanation of human aggression is sexual jealousy. Infidelity triggers sexual jealousy. Charlie cooper billsimas.com StudyWise: A-Level Psychology Revision Discuss evolutionary explanations of human aggression (8 and 16 marks) The evolutionary approach takes .

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Discuss evolutionary explanations of human aggression
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