Item response analysis to explore psychometric properties of the Persian version of Troutman successful aging inventory: Rasch partial credit model

Author:

Seif Mozhgan1,Asadollahi Abdolrahim1ORCID,Yarelahi Mahsa1,Rezaian Elham1ORCID

Affiliation:

1. Shiraz University of Medical Sciences, Shiraz, Iran

Abstract

The study aimed to evaluate Persian version of the TSAI-2011 to determine successful aging issues in older adults. In a psychometric study, the instrument was completed by 400 men and women aged 60 and above and the Rasch partial credit model was used. The PCM indicated that items 1 and 20 were misfitting. Also, it successive response categories for all items were located in the expected order and version of TSAI with 22-items had more internal consistency. Although Rasch analysis indicated to relevant of TSAI 22-Items, it should be evaluated in further studies and divergent cultures.

Funder

Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences

Publisher

SAGE Publications

Subject

Applied Psychology

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