Journal
CURRENT PSYCHOLOGY
Volume 41, Issue 5, Pages 2802-2809Publisher
SPRINGER
DOI: 10.1007/s12144-020-00784-3
Keywords
Perceived stress; Students; Correlated two-factor; Construct validity; Measurement invariance
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This study examined the factorial structure, measurement invariance, and reliability of the Perceived Stress Scale (PSS-10) in university students, and found that the two-factor model was superior, invariant across gender and race, and had acceptable internal consistency reliability. The study supports the validity of the PSS-10 for use with diverse student populations.
Valid psychological measures of stress are essential for the detection, management and prevention of stress and related mental illnesses. In this study the factorial structure, measurement invariance (gender and race), and reliability of the Perceived Stress Scale (PSS-10) were evaluated in a sample of university students (N = 862). Five competing measurement models of the PSS-10 (i.e., one-factor; correlated two-factor; bifactor with two domain specific factors; a bifactor, with the perceived self-efficacy factor; and a bifactor model, with the distress factor) were examined using confirmatory factor analysis and cross-validated using Rasch analysis. The two-factor model prevailed over the alternative latent structures, was invariant across gender and race groups, and had acceptable internal consistency reliability. This study supports the validity of the PSS-10 for use with diverse student populations.
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