Biological approach

• How does it explain behaviour?

  perspective which emphasises importance of genetic inheritance influences our behaviour.
• Assumption of biological approach:

  • Biology comes first
  • must look at biological structures and process to understand behaviour.
  • mind lives in the brain
  • humans have biologically evolved and share some features as animals.
• Twin studies:

  used to investigate likelihood of certain characteristics having a genetic basis- concordance rate.
• Concordance rate: extent to which both twins share same characteristics.
• Genotype is a set of genes a person passes aka. genetic makeup
• Phenotype is characteristics of an individual influenced by their genetics and enviroment.
• Monozygotic is twins

  Dizygotic is fraternal twins
• who introduced the concept of evolution?

  Darwin - he says we adapt to our enviroment through biological evolution
• What is variation caused by?

  Mutation and genetic reassembling in sexual reproduction
• strengths:

  • Investigated using scientific methods
  • Real world application
• Limitations:

  • Cannot differentiate nature Vs nurture
  • Deterministic view