Browsing by Author "Tyrone Pretorius"

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    Anxiety in Brief: Assessment of the Five-Item Trait Scale of the State-Trait Anxiety Inventory in South Africa
    (University of the Western Cape, 2024) Tyrone Pretorius
    Background: The current study examined the psychometric properties of a short form of the trait scale of the Spielberger State-Trait Anxiety Inventory anxiety. Participants consisted of a convenience sample of students (N = 322) who completed the the five-item version of the trait scale of the State-Trait Anxiety Inventory, the Perceived Stress Scale, the nine-item version of the Beck Hopelessness Scale, the 10-item version of the Center for Epidemiological Studies Depression Scale, and the Post-Traumatic Stress Disorder Checklist. We used classical test theory and item response theory (Rasch and Mokken analyses) to examine the psychometric properties of a previously proposed five-tem version of this scale. These approaches confirmed that the five-item measure of anxiety had satisfactory reliability and validity, and also confirmed that the five-items comprised a unidimensional scale.