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    Outline and evaluate psychological explanations of schizophrenia (24 marks) Brown and Birley studied stressful life events in the role of relapse in schizophrenics. They found that 50% of people experience a stressful life event e.g. death‚ relationship break-up‚ job loss etc. in the 3 weeks prior to a schizophrenic episode. A control sample reported a low and unchanging level of stressful life events over the same period. However not all evidence supports the role of life events. For example‚

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    Outline and evaluate the evolutionary theory of attachment Bowlby came up with this theory and believed that attachment is innate and adaptive. His theory states that we are born with an inherited need to form an attachment in order to help us survive. This involved Darwins theory of natural selection as any behaviour that helps you survive will be kept in the gene pool. In terms of humans‚ babies are helpless and rely completely on the primary caregiver which is normally the mother. Interestingly

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    There are three definitions of abnormality; the first is deviation from social norms. A person will be diagnosed with this when they have deviated from the unwritten rules and standards of society making them seem abnormal. Jahoda identified this abnormality and said there were 6 conditions associated with good mental health. A positive attitude‚ Self-actualisation‚ Resistance to stress‚ Personal autonomy‚ accurate perception of reality‚ and Adaption to the environment. However there are limitations

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    Outline and evaluate the biological approach to psychopathology The biological approach to psychopathology suggests that abnormal behaviour is caused or related to physical changes in the body. The biological approach suggest that the four following things cause physical disorders (abnormality) ; genes‚ biochemistry‚ neuroanatomy and viral infection. Psychologists have investigated the role in which gene’s play in abnormal behaviour. To do this the majority of psychologists use twins. It has been

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    Outline and evaluate one theory of attachment (12 marks) Bowlby’s theory is an evolutionary theory because‚ in his view attachment is a behavioural system that has evolved because of its survival value and‚ ultimately‚ its reproductive value. According to Bowlby‚ children have an innate drive to become attached to a caregiver because attachment has long-term benefits. Both attachment and imprinting ensure that a young animal stays close to a caregiver who will feed and protect the young animal.

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    90degree .... Read more: http://wiki.answers.com/Q/Maths_working_models_for_class_10#ixzz1xm6IqDru Making a Maths Trigonometry working Model Posted Date:     Total Responses: 0    Posted By: Nishant Rai   Member Level: Silver   Points/Cash: 30    | | Design of Theodolite: This model is a working model and you should read this if you are searching for a quick maths model to make. Its related to trigonometry. The name of this device is theodolite. It has the same use as that of a clinometer but

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    Outline and evaluate biological explanations for aggression (24) The biological explanation for aggression states that aggression is innate behavior in people and the environment around them does not cause it. Neurotransmitters in the brain‚ chemicals that allow impulses to be transmitted from one area to another‚ can be used to explain why some people are aggressive. There is evidence to suggest that the neurotransmitters serotonin and dopamine are linked to aggression‚ low levels of serotonin

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    Outline and evaluate the biological explanation of depression. Biological explanation of depression can be explained by neurotransmitter dysfunction. Neurotransmitters such as noradrenalin and serotonin have been shown to be linked with depression. Bunney at al (1965) found that there was low levels of noradrenaline function in the brain of depressed individuals. Also‚ post mortem studies found increased noradrenaline receptors in the brains of depressed suicide victims. When there is low noradrenaline

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    Outline and evaluate psychological explanations for schizophrenia (24) One psychological explanation of SZ was put forward by Bateson et al (1956) who looked at childhood as a base for developing SZ‚ for example the interactions children have with their mothers. His explanation‚ the Double Bind theory‚ states that schizophrenia can occur due to conflicting messages given from parents to their children‚ for example when a parent expresses care but does so in a critical way. This means that the child

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    Agriculture & technology working model Modern technology is already being used in agriculture. The best example is the use of gene technology or what’s popularly known as agricultural biotechnology in developing drought and herbicide resistant crops. Through genetic engineering‚ scientists have been able to introduce traits into existing genes to make crops resistant to drought and herbicides. One good example is the use of Bacillus Thuringiensis‚ commonly known as Bt. Bacillus Thuringiensis‚ is

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