In full, the Glasgow Depression Scale for people with a learning disability (Cuthill, F. M., Espie, C. A., & Cooper, S.-A. (2003). Development and psychometric properties of the Glasgow Depression Scale for people with a Learning Disability: Individual and carer supplement versions. British Journal of Psychiatry, 182(4), 347–353. https://doi.org/10.1192/bjp.182.4.347) is a 20 item self-report questionnaire for people with learning disabilities/difficulties. Importantly, it comes with a 16 item carer “supplement” measure. The copyright is a little unclear, it is reprinted on a USA District of Columbia web site but check carefully if intending to use it. Complements the Glasgow Anxiety Scale.
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