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Behavioral Assessment of Manual Dexterity in Non-Human Primates
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Revised manual for the Global Assessment of Functioning scale.

G Pedersen1, Ø Urnes2, B Hummelen3

  • 1Oslo University Hospital, Department of Personality Psychiatry, Division of Mental Health and Addiction, Oslo, Norway; NORMENT, KG Jebsen Center for Psychosis Research, Institute of Clinical Medicine, University of Oslo, Norway.

European Psychiatry : the Journal of the Association of European Psychiatrists
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Summary

The Global Assessment of Functioning (GAF) scale, used for psychosocial impairment, has limitations. This article proposes a revised GAF scale and scoring guidelines to address these long-standing issues.

Keywords:
AssessmentGAFGlobal assessment of functioning

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Area of Science:

  • Psychiatry
  • Psychology
  • Clinical Assessment

Background:

  • The Global Assessment of Functioning (GAF) is a widely used measure for overall psychosocial impairment.
  • Axis V of the DSM-III and DSM-IV, GAF has faced criticism for its limitations over the past three decades.

Purpose of the Study:

  • To identify and discuss significant challenges associated with the current GAF manual.
  • To present a revised GAF scale designed to better reflect its clinical construct.
  • To provide guidelines for understanding and scoring the revised GAF.

Main Methods:

  • Critical review of existing GAF scale literature and identified shortcomings.
  • Development of a revised GAF scale based on identified challenges.
  • Elaboration of scoring guidelines for the proposed GAF revision.

Main Results:

  • The study details several critical challenges inherent in the current GAF manual.
  • A revised GAF scale is proposed, aiming for improved clinical applicability.
  • Guidelines for understanding and scoring the revised GAF are presented.

Conclusions:

  • The existing GAF scale presents significant challenges impacting its utility.
  • A revised GAF scale offers a more accurate and practical approach to assessing psychosocial functioning.
  • The proposed revisions and guidelines aim to enhance the reliability and validity of GAF assessments.