... information about our ancestors as well as the broader, evolutionary information that will allow us to 'survive' in the most effective way. Evidence has been provided to suggest that certain psychological problems or types of development are hereditary. Many studies show a high concordance rate of a certain behaviour or illness in families, especially the nuclear families, of the sufferer. With regards to the nurture debate, psychologists who argue that environmental factors influence development have produced results supporting the view that human variation across cultures and over time show how differing norms or expectations guide a child's development and that anything from peer pressure to mother-baby interaction can affect how well a child develops. When a criminal psychologist tries to find the reason why a human being has taken away another's life, they will examine the life events that took place during childhood. They will look at the effect ...

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