Factor structure and psychometric properties of the Ryff’s scale of Psychological well-being, short form (18-item) among male and female students

Subject Areas : Thoughts and Behavior in Clinical Psychology

Mehdi Khanjani ¹ , Shahiyar Shahidi ² , Jalil Fathabadi ³ , Mohamad Ali Mazaheri ⁴ , Omid Shokri ⁵

1 - دپارتمان روان‌شناسی دانشگاه شهید بهشتی، تهران، ایران
2 - دپارتمان روان‌شناسی دانشگاه شهید بهشتی، تهران، ایران
3 - دپارتمان روان‌شناسی دانشگاه شهید بهشتی، تهران، ایران
4 - دپارتمان روان‌شناسی دانشگاه شهید بهشتی، تهران، ایران
5 - دپارتمان روان‌شناسی دانشگاه شهید بهشتی، تهران، ایران

Received: 2014-11-28 Accepted : 2014-11-28 Published : 2014-06-22

Keywords: psychological well-being, factor structure, Psychometric,

Abstract :

Psychological well-being is trying to flourish the capabilities of human beings. So far, many tools have been provided for assessment and evaluation of psychological wellbeing. The aim of this study was to examine the factor structure and psychometric properties of the short form (18 items) of Psychological well-being scale. To this end, in a descriptive study, correlational type, 976 patients (647 females and 329 males) were selected from Shahid Beheshti University of Medical sciences and were tested on short versions of Ryff’s scale of Psychological well-being , optimistic psychotherapy Inventory, depression scale, anxiety and stress. The result of Single-group confirmatory factor analysis indicated that the total sample and in both sexes, the six-factor model of the scale (Self-acceptance, environmental mastery, positive relationships with others, having a purpose in life, Personal growth and independence) has a good fit. The scale's internal homology using Cronbach's alpha in 6 factors of Self-acceptance, environmental mastery, positive relationships with others, having a purpose in life, Personal growth and independence, were respectively, 0.52, 0.76, 0.75, 0.52, 0.73, 0.72 and for the total scale it was 0.71. Overall, the results suggest that the short form (18-item) of Ryff’s scale of Psychological well-being was a useful tool to measure psychological well-being among Iranian sample of girls and boys.