The Derriford Appearance Scale (DAS-59): A new scale to measure individual responses to living with problems of appearance

被引:93
作者
Carr, T
Harris, D
James, C
机构
[1] Univ Plymouth, Dept Psychol, Clin Teaching Unit, Plymouth PL4 8AA, Devon, England
[2] Derriford Hosp, Burns & Plast Surg Unit, Plymouth PL6 8DH, Devon, England
关键词
D O I
10.1348/135910700168865
中图分类号
B849 [应用心理学];
学科分类号
040203 ;
摘要
Objectives. To develop a reliable and valid self-report scale which (1) will assess the distress and difficulties experienced in living with a problem of appearance; (2) can be used with clinical and non-clinical populations; and (3) facilitates clinical decisionmaking and research through good standardization, sensitivity and discrimination. Design. Cross-sectional survey designs using clinical and non-clinical populations and a pre-post intervention design using plastic surgery patients. Method. A large initial item set was refined through a controlled pre-post surgery study and a cross-sectional study of a plastic surgery waiting list (606). The resulting 59-item scale was administered to 1740 patients with problems of appearance and to a representative general population sample (1001). Results. Principal component and factor analyses identified a stable live-factor structure accounting for 63.5% of the variance, with a primary factor of self-consciousness of appearance, internal consistency was high (alpha = .98) and test-retest reliabilities (three months) were good (.75 (general population);.86 (patients)). Correlations with existing rests showed appropriate criterion validity (.74-.62). Good construct validity was evidenced in pre- and post-operative changes, in differences between patients and controls and in convergent and divergent correlation patterns. The general population data reveal widespread concerns about appearance. Conclusions. The DAS-59 provides a widely acceptable, psychometrically robust, factorial self-report scale to assess distress and dysfunction in problems of appearance across the full range of 'visibility' and aetiologies. It is sensitive to therapeutic change and discriminates well between patient groups.
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页码:201 / 215
页数:15
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