Biological Approach Essay

463 Words2 Pages
HOMEWORK – Describe and evaluate the Biological approach in psychology Describe the approach, evaluate it and compare the four approaches AO1= Assumptions (+ expand on each and include one study) AO2= Strengths, limits, compare with social learning theory The biological approach follows nature’s side of things by looking at genetics. It can be used to evaluate heritability, for example, with twins. There are certain traits which run within families but they all live in the same environment, this means we can’t be sure whether the traits are influenced or genetic. In order to test this Bouchard and McGue conducted a meta-analysis. There should be 100% concordance between identical twins and twins that aren’t identical should show a much lower rate. If it is the environment that determines the behaviour then identical twins that have been reared apart should show a low concordance rate for traits such as intelligence. Despite this the analysis showed that the identical twins still had a similar IQ and non-identical twins that had been reared apart didn’t. This proves that the biological approach gives is unbiased and reliable results and so is a strong method. There are four main assumptions within the approach which sum it up in its entirety. The first biological approach is behaviour and thought processes have an innate biological basis. This means that from birth humans naturally behave and think in a certain way. This would include things such as a persons confidence levels, insecurities, IQ and mental illnesses. The second assumption is that the brain and mind are the same thing and so if a person was to experience brain damage then the personality of the individual would change completely. There would be no remaining attributes of what the individual was previously like after the damage. The third assumption is that human genes have evolved to
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