..  docs/source/tasks/gds.rst

..  Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
    Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
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.. _gds:

Geriatric Depression Scale, 15-item version (GDS-15)
----------------------------------------------------

Shortened version of the 30-item GDS.

History and guide
~~~~~~~~~~~~~~~~~

- Brink TL, Yesavage JA, Lum O, Heersema P, Adey MB, Rose TL (1982). Screening
  tests for geriatric depression. *Clinical Gerontologist* 1: 37–­44.

- Yesavage JA, Brink TL, Rose TL, Lum O, Huang V, Adey MB, Leirer VO (1983):
  Development and validation of a geriatric depression screening scale: A
  preliminary report. *Journal of Psychiatric Research* 17: 37­49.

- Sheikh JI, Yesavage JA (1986). Geriatric Depression Scale (GDS): Recent
  evidence and development of a shorter version. *Clinical Gerontology : A
  Guide to Assessment and Intervention* 165–173. The Haworth Press, NY.

- Sheikh JI, Yesavage JA, Brooks JO III, Friedman LF, Gratzinger P, Hill RD,
  Zadeik A, Crook T (1991). Proposed factor structure of the Geriatric
  Depression Scale. *International Psychogeriatrics* 3: 23­–28.

Source
~~~~~~

https://web.stanford.edu/~yesavage/GDS.html

Intellectual property rights
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Public domain.

- “The original scale is in the public domain due to it being partly the result
  of Federal support.” (https://web.stanford.edu/~yesavage/GDS.html, accessed
  2015-06-09.)

- Newman & Feldman (2011) NEJM 365:2247,
  http://www.nejm.org/doi/full/10.1056/NEJMp1110652