Item response analysis of the Geriatric Anxiety Inventory among the elderly in China: dimensionality and differential item functioning test

Abstract Background Anxiety symptoms are pervasive among elderly populations around the world. The Geriatric Anxiety Inventory (the GAI) has been developed and widely used in screening those suffering from severe symptoms. Although debates about its dimensionality have been mostly resolved by Molde...

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Bibliographic Details
Main Authors: Zhongquan Li, Xia Zhao, Ang Sheng, Li Wang
Format: Article
Language:English
Published: BMC 2019-11-01
Series:BMC Geriatrics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12877-019-1346-1