Volume 5, Number 2 (Autumn & Winter 2011)                   IJPBS 2011, 5(2): 12-17 | Back to browse issues page


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Bagherian R, Bahrami Ehsan H. Psychometric Properties of the Persian Version of Type D Personality Scale (DS14). IJPBS. 2011; 5 (2) :12-17
URL: http://ijpbs.mazums.ac.ir/article-1-38-en.html

Abstract:   (15665 Views)
Ôbjective: Type D personality is based on negative affectivity (NÂ) and social inhibition (SÏ). The purpose of this study was to examine the reliability and validity of the Persian version of 14-item Type D personality scale (DS14).
Methods: The study included 191 normal participants and 176 patients with myocardial infarction (MÏ). They all filled out the Persian version of DS14, containing 7-item NÂ and SÏ subscales 71 normal subjects completed the neuroticism and extroversion subscales of Ëysenck questionnaire. Besides, 71 participants filled out the DS14 twice over a 2-month period.
Results: Ïn this study, 35.8 % of MÏ patients and 24.6% of healthy people were classified as Type D. Factor analysis of Persian version of DS14 yielded the two-factor structure all of the NÂ and SÏ items loaded between 0.65 to 0.80 in patients and 0.48 to 0.79 in healthy people on their corresponding factor. Test–retest stability of the NÂ and the SÏ subscales were 0.86 and 0.77 respectively over a 2-month period. High internal consistency of Çronbach's alpha coefficient has been found to be 0.84 in patients and 0.87 in healthy people for the NÂ sub-scale and 0.86 in patients and 0.75 in healthy people for the SÏ sub-scale. The construct validity of NÂ and SÏ sub scales were confirmed against neuroticism (r = 0.65) and extroversion (r = -0.62) subscales of Ëysenck questionnaire respectively.
Çonclusion: Persian version of DS14 is an acceptable, reliable and valid measure of dimensions of Type D personality.
Full-Text [PDF 88 kb]   (1177 Downloads)    
Type of Study: Research | Subject: Psychiatry
Received: 2012/05/26 | Accepted: 2014/01/6 | Published: 2014/01/6

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