10.64. Global Assessment of Functioning (GAF)


(¶) Reproduction of this task/scale is not permitted. This CamCOPS task is a data collection tool only, with the actual task/scale not included for copyright reasons. Use it only in conjunction with a licensed copy of the original task. (That is, if you own a licensed paper copy of the task, feel free to use this data collection tool, but if you don’t, it will probably be useless.)

10.64.1. Intellectual property rights

  • Copyright to the GAF held by the American Psychiatric Association (confirmed in personal communication, APA to Rudolf Cardinal, 2013-03-21).

  • Permission to reproduce the scale refused (personal communication, APA to Rudolf Cardinal, 2013-03-21).

10.64.2. History

  • Health-Sickness Rating Scale (HSRS), Luborsky 1962 Arch Gen Psych;

  • then Global Assessment Scale (GAS): Endicott et al. (1976), PMID 938196, Arch Gen Psych (= American Medical Association);

  • then GAS modified to become GAF as Axis V of DSM-III-R (APA, 1987);

  • remains part of DSM-IV-TR (APA, 2000);

  • also modified GAF (mGAF), Hall (1995), Psychosomatics (= Elsevier).