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    Trinity Amputation and Prosthesis Experience Scales

    Gallagher, Pamela and Franchignoni, F. and Giordano, A. and MacLachlan, Malcolm (2010) Trinity Amputation and Prosthesis Experience Scales. American Journal of Physical Medicine & Rehabilitation, 89 (6). pp. 487-496. ISSN 0894-9115

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    Objective: To perform a detailed psychometric analysis using both classical test theory and Rasch analysis of the three main scales of the Trinity Amputation and Prosthesis Experience Scales (TAPES) in people with a lower-limb amputation. Design: A sample of 498 persons who were prosthesis users with a lower-limb amputation was retrospectively studied, pooled from a number of studies undertaken across the United Kingdom and Ireland in the past decade in which the TAPES had been completed as part of a postal survey. Both factor analysis techniques and Rasch analysis were performed on TAPES data. Dimensionality, item fit to the model, response category performance, and internal construct validity were assessed. Category collapsing and item removal were considered to improve the questionnaire. Results: The analyses suggested to restructure the TAPES as follows: (a) three psychosocial adjustment subscales with a four-point rating scale (and a reworded item); (b) an activity restriction scale based on ten items with their original three-point rating scale; and (c) two satisfaction with the prosthesis subscales using a three-point rating scale. All scales and subscales showed acceptable internal consistency and ability to define a distinct hierarchy of persons along the measured construct. Conclusions: This study empirically identified a revised version of the TAPES (TAPES-R) with a simplified general structure and psychometrically suitable for assessing the complex experience of amputation and adjustment to a lower-limb prosthesis. Additional studies are needed to confirm and further explore its measurement properties in other samples, thereby adding clinical validity to the instrument.

    Item Type: Article
    Keywords: Amputation; Psychometrics; Rasch Analysis; Outcome Assessment; Psychological Adjustment;
    Academic Unit: Assisting Living & Learning,ALL institute
    Faculty of Science and Engineering > Psychology
    Item ID: 16506
    Identification Number:
    Depositing User: Malcolm MacLachlan
    Date Deposited: 13 Sep 2022 14:42
    Journal or Publication Title: American Journal of Physical Medicine & Rehabilitation
    Publisher: Lippincott, Williams & Wilkins
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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