The Biological Approach 0.0 / 5 ? PsychologyCore studiesApproachesBiologyASAQA Created by: Betsy_2018Created on: 18-02-17 18:54 What is the assumption of the biological approach? Genes, neurochemistry and nervous system affect our thoughts, feeling and behaviours; all thoughts/feelings/behaviours have a physical basis 1 of 11 How much DNA do dizygotic twins share? Roughly 50%; about the same as regular siblings 2 of 11 What is a concordance rate? The probability that a pair of individuals share certain characteristics 3 of 11 What is PKU? A rare genetic disorder that causes learning difficulties and can be controlled by diet; environmental can control biological 4 of 11 What environmental factors can affect our bodies? Radiation, trauma, health products 5 of 11 Why do many psychologists accept that much of behaviour is also influenced by nature as well as nurture? Phenotype is influenced physically by environment, so behaviour would be as well 6 of 11 What can family studies show? What abilities, addictions and talents are inherited; (Galton) all are inherited 7 of 11 What can adoption studies show? Whether abilities (etc) are due to nature or nurture 8 of 11 What are the pros of the biological approach? Scientific credibility; real-life psychoactive drug application 9 of 11 What are the cons of the biological approach? Casual conclusions are often drawn; deterministic; uncertainty over nurture or nature 10 of 11 What did Charles Darwin put forward? The theory of natural selection; behaviour that enhances an individual's survival will be passed on; selective breeding 11 of 11
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