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Biological Level of Analysis

Biological Level of Analysis. Session 19. A quick recap of last session. With reference to relevant research studies, to what extent does genetic inheritance influence behaviour?. Genes and behaviour. Many researchers also believe that genes influence a wide range of human behaviour .

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Biological Level of Analysis

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  1. Biological Level of Analysis Session 19

  2. A quick recap of last session... With reference to relevant research studies, to what extent does genetic inheritance influence behaviour? .

  3. Genes and behaviour • Many researchers also believe that genes influence a wide range of human behaviour. • Research on psychology and behaviour is increasingly incorporating genomic studies Virtually all behaviour is influencedby genes. Virtually no behaviour is determined by genes.

  4. How do genes influence behavior? • Genes influence behaviour indirectly. • There is usually more than one gene involved in a behaviour • Genes influence the production of proteins that affect the anatomy (e.g. brain structure) and physiology (chemical processes) of the body • Some behaviours are more genetically influenced than others • There is an interaction between environmental, biological, cognitive and genetic factors in the development of behaviour

  5. How is Genetic Research Conducted? • Correlations show the relationship between two variables. There is no manipulation of an IV, so cause and effect are not established. • A correlation of +1.0 means as x increases, y increases (positive correlation). • -1.0 means that x increases, y decreases (negative correlation). • In genetic research, we expect to find a higher correlation than when comparing a child to someone that they share genes with. • If a correlation is found it is called a concordance rate and it is measured in %. -1 ----------------0------------------ +1

  6. How are genes and behaviour studied? • Psychologists use: • Twin Studies • Adoption Studies • Family Studies

  7. Genes or Environment? A look at your family traits

  8. Journal Articles on Genes and Behaviour • Last week you were given articles to read through • You were asked to find at least 5 studies that looked at genes and behaviour • Let’s discuss this research as a group and evaluate as we go

  9. Task • Read through pages 52-56 of your textbook about genetic research and intelligence • Make a note of anything important then arrange this into a mind map of how you would respond to the question in an exam With reference to relevant research studies, to what extent does genetic inheritance influence behaviour?

  10. With reference to relevant research studies, to what extent does genetic inheritance influence behaviour?

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