Cognitive Explanation for Anxiety Disorder. DiNardo (GAD)

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  • Anxiety Disorders: Cognitive Explanation (DiNardo - GAD)
    • Background
      • Generalised Anxiety Disorder
      • Beck 1941
        • a study on generalised fears - could his patients be seen as suffering from phobias?
          • Found that they didn't meet the DSM criteria for phobic reactions
            • therefore considered to have had ANXIETY NEUROSES
      • DiNardo 1988
        • tries to find out if the faulty cognition of EXCESSIVE WORRY is linked to GAD
    • Aim
      • To assess whether EXCESSIVE WORRY is a symptom of GAD
    • Method
      • Quasi-experiment
      • patients attending 1 of 3 USA clinics
    • Design
      • Independant mesaures design
      • patients with and without diagnoses of GAD
      • quasi -- pps weren't allocated to groups (no manipulation of the IV took place)
    • Procedure
      • pps interviewed twice to assess reliability - 2 strutured interviews used
        • 1: the Anxiety Disorders Interview Schedule
        • 2: the Structured Clinical Interview for DSM-IV-R
      • A 5-point rating scale
        • for symptoms: sweating, insomnia, excessive worry ect.
        • the frequency of 'excessive worry' was analysed. Percentage of the day for which each pps said they had that symptom was also analysed
    • Findings
      • significantly more pps with GAD reported excessive worry than those without GAD
      • GAD pps reported excessive worry 59.1% of the day
        • Compared to non-GAD pps who had excessive worry 41.7% of the day
    • Conclusion
      • excessive worry is found more in GAD pps
        • if there is no excessive worry then this could be used to rule out GAD as a diagnosis for future patients
        • GAD pps experience more excessive worry during the day than non-GAD pps
  • tries to find out if the faulty cognition of EXCESSIVE WORRY is linked to GAD


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