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Journal of Psychopathology and Behavioral Assessment

Gepubliceerd in:

07-08-2023

Psychometric Characteristics of the Romanian Adaptation of the GAD-7

Auteurs: Alin Cristinel Cotiga, Şerban Andrei Zanfirescu, Dragos Iliescu, Mugur Ciumăgeanu, Ioan Gotca, Cosmin Octavian Popa

Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment | Uitgave 3/2023

Abstract

The GAD-7 is a practical and short self-report measure that has been widely utilized for the screening of generalized anxiety disorder (GAD), a severe form of anxiety disorder that is difficult to identify. Previous studies have investigated the GAD-7 in different settings and various cultures, but often without reporting important internal validity-related indices. To determine the psychometric properties of the GAD-7, the present study examined the internal consistency, convergent validity, underlying factor structure and item discrimination using both Classical Test Theory (CTT) and Item-Response Theory (IRT) models, within both a clinical and a non-clinical sample from Romania. A total of 747 participants, of whom 181 were clinical patients and 566 recruited from the general population, completed the Romanian version of the GAD-7, the Depression, Anxiety, and Stress Scale–21 (DASS-21), and the State-Trait Anxiety Inventory (STAI). CFA results confirmed that a modified one-factor model was an acceptable solution for the clinical sample. The internal consistency of the scale was satisfactory for both samples. The GAD-7 strongly correlated with the three subscales of the DASS-21 and exhibited moderate correlations with the STAI, confirming convergent validity. Keywords: GAD-7; Psychometric properties; Adaptation; IRT; DASS-21; STAI

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Titel: Psychometric Characteristics of the Romanian Adaptation of the GAD-7
Auteurs: Alin Cristinel Cotiga
Şerban Andrei Zanfirescu
Dragos Iliescu
Mugur Ciumăgeanu
Ioan Gotca
Cosmin Octavian Popa
Publicatiedatum: 07-08-2023
Uitgeverij: Springer US
Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment / Uitgave 3/2023
Print ISSN: 0882-2689
Elektronisch ISSN: 1573-3505
DOI: https://doi.org/10.1007/s10862-023-10062-8

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