Question
Describe diathesis - stress model.

Answer

The diathesis-stress model provides the most widely accepted explanation of abnormal behaviour.
Psychological disorders devlop when a diathesis (biological predisposition to the disorder) is set off by a stressful situation.
Components:
  • Presence of some biological abberation which may be inherited.
  • The diathesis may carry a vulnerability to develop a psychological disorder. Person is at risk/predisposed to develop a disorder.
  • Presence of pathogenic stressor.

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