Glasgow Anxiety Scale for people with an Intellectual Disability (GAS-ID): development and psychometric properties of a new measure for use with people with mild intellectual disability.

Journal article

BACKGROUND: Self-rating scales are widely used in general adult practice; however, there is no reliable and valid method for assessing state anxiety in people with intellectual disability (ID). The present study describes the development and psychometric evaluation of a new scale, the Glasgow Anxiety Scale for People with an Intellectual Disability (GAS-ID). METHODS: First, an item pool was generated from focus groups, a review of the literature and clinician feedback. Secondly, a draft scale...

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Authors: Mindham, J; Espie, C

• Journal: Journal of intellectual disability research : JIDR
• Volume: 47
• Issue: Pt 1
• Pages: 22-30
• Publication date: 2003-01-01
• DOI: 10.1046/j.1365-2788.2003.00457.x
• EISSN: 1365-2788
• ISSN: 0964-2633
• Language: English
• Keywords: Questionnaires; Anxiety; Mental Retardation; Female; Adult; Middle Aged; Male; Psychometrics; Aged; Humans; Severity of Illness Index; Reproducibility of Results