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Evolutionary Explanations of Human Aggression
Point 1 ­ Jealousy (Cuckoldry and Sexual Jealousy)
Evolutionary explanation suggests that reproductive challenges, within our ancestors, have led to
sex differences ­ including the reactions based from aggressive behaviour.
One form of aggression, which differs amongst sexes, is the act of jealousy.
Sexual jealousy…

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The use of this self ­report technique is unreliable as the answers may not be necessarily truthful
as a result of social desirability bias.
This suggests that either male or female partners may not have admitted to being involved in
violent behaviour, as it could be seen as undesirable.



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