evaluation

• methodology?

  flawed, researcher effects show that twins who look alike are more likely to be treated alike. also need to account genes can operate differently in different environments.

  • however Gottesman and Shields collected empirical objective data, and understanding genes working different in different environments provides holistic view
• evidence for genetics?

  significant genetic factor seen (Gottesman and Shields 1966) showing concordance rate for severe schiz in MZ= 75%, DZ= 25%. Thomas (2018), explains schiz stems from brain abnormalities in early brain development.

  • however Wright (2014), there are over 700 genes that account for schiz.
  • diathesis stress model is more holistic point of view, explains biological factors are triggered by the environment.
• applications for genetics?

  more recent research allows specific genes to be understood and provide families with genetic counselling. potential look into gene therapy and calculating chance of schiz development if another family member has it.