the psychometric properties of the Generalized Anxiety Disorder Questionnaire-IV
Author(s):
Abstract:
Introduction
The present study examined the psychometrics particularity of Generalized Anxiety Disorder Questionnaire-IV (GAD-QIV) in Iran.
Method
This study was correlation design.This examination conducted in two phases: The first phase conducted on 221 student of Shiraz University ,the second conducted on 40 patient with generalized anxiety disorder that com in to shiraz univercity counciling center and Imam Reza Specialist Clinic in Shiraz and 40 normal participants. Measuring instruments were Generalized Anxiety Disorder Questionnaire-IV, Pennsylvania State Worry Questionnaire and Beck anxiety Inventory.
Results
The first finding demonstrated Internal consistency (Cronbach’s alpha =0/79) for GADQ-IV. The second finding showed convergent validity (r=0/61, 0/45) and discriminant validity (r=0/88). In addition A cutoff of 5.95 leads to sensitivity of 97% and specificity of 94%. The result of Confirmatory factor analysis show the fitness of one-factor model.
Conclusion
Generalized Anxiety Disorder Questionnaire-IV have appropriate reliability and validity and are suitable scales for research , clinical applications in Iran.
Article Type:
Research/Original Article
Language:
Persian
Published:
Journal of Psychological Models and Methods, Volume:8 Issue:29, 2018
Pages:
87 - 104
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