A03

• What is a strength of the interactionist approach to schizophrenia?

  Evidence supporting vulnerability and triggers
• What did Pekka Tienari et al. (2004) study?

  The impact of genetic vulnerability and psychological triggers
• How many Finnish children were followed in Tienari et al.'s study?

  19,000
• What was compared in Tienari et al.'s study?

  High genetic risk group and control group
• What parenting style was associated with schizophrenia in the high genetic risk group?

  High criticism, hostility, and low empathy
• What limitation does the original diathesis-stress model have?

  It is overly simplistic
• What does the modern understanding of diathesis and stress include?

  Multiple biological and psychological factors
• What major influence on vulnerability to schizophrenia was found by Houston et al. (2008)?

  Childhood sexual abuse
• What was identified as a major trigger for schizophrenia in Houston et al.'s study?

  Cannabis use
• What is a strength of the interactionist approach regarding treatment?

  Combining biological and psychological treatments
• What did Tarrier et al. (2004) randomly allocate participants to?

  Three treatment groups
• What were the three groups in Tarrier et al.'s study?

  Medication + CBT, medication + counselling, control
• What was the outcome for participants in the combination groups in Tarrier et al.'s study?

  Lower symptoms than the medication-only group
• What logical error do Jarvis and Okami (2019) point out regarding treatment success?

  Treatment-causation fallacy
• What does the treatment-causation fallacy imply?

  Success of treatment does not confirm explanations