Aliakbar Foroughi, S. Khanjani, Mahboobeh Soleymani Moghadam, A. Parvizifard
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The psychometric properties of the Persian version of the Demoralization Scale (DS-II) in women with breast cancer
Demoralization is a syndrome of existential distress and despair in patients with cancer and other severe medical illnesses. The Demoralization Scale (DS-II) is self-administered and contains 16 items, and it has two factors: meaning and purpose and distress and coping ability.
Women with breast cancer (240) completed the scales DS-II, positive and negative affect, state hope, patient health, and quality of life. Confirmatory factor analysis (CFA) and divergent and convergent validity were used to measure the construct validity of DS-II. CFA was chosen to check the fit of the two-factor model. Divergent and convergent validity were investigated using Pearson’s correlation test. The reliability of DS-II was evaluated by the internal consistency method. Cronbach’s alpha was used to calculate the internal consistency of the DS-II.
The Cronbach’s alpha coefficient for the subscales of meaning and purpose, distress and coping ability, and the total score was obtained: 0.67, 0.72, and 0.81, respectively, indicated this scale’s good reliability. Furthermore, the Pearson correlation coefficient results showed the appropriate convergent validity and good divergent validity of the DS-II.
The DS-II has sound psychometric properties and can be recommended as a reliable tool for assessing demoralization in women with breast cancer.
期刊介绍:
Journal of Research in Medical Sciences, a publication of Isfahan University of Medical Sciences, is a peer-reviewed online continuous journal with print on demand compilation of issues published. The journal’s full text is available online at http://www.jmsjournal.net. The journal allows free access (Open Access) to its contents and permits authors to self-archive final accepted version of the articles on any OAI-compliant institutional / subject-based repository.