Biological AO3

• strength

  • practical applications
  • shown that low levels of serotonin can be linked to OCD
  • development of drug therapy (SSRI) which blocks reuptake of serotonin and reduces anxiety
  • important area of applied psychology which can benefit individuals with OCD
• strengths

  • good scientific validity
  • brain scans to identify the parts of the brain in OCD and gene mapping
  • established and testable scientific principles which are important features of science