Psychometric properties of the Stress Mindset Measure (SMM) in the Polish population

Dorota Mierzejewska-Floreani, Mateusz Banaszkiewicz and Ewa Gruszczyńska

PLOS ONE, 2022, vol. 17, issue 3, 1-17

Abstract: Purpose: The goal of the research was to evaluate the psychometric properties of the Polish adaptation of the Stress Mindset Measure (SMM; general version, SMM-G, and specific version, SMM-S). Methods: Study 1 was an online survey conducted among 1651 adults (81% women, aged 18–84 years). To assess the theoretical validity of the SMM, the following constructs were also measured: Big Five personality dimensions, positive orientation, self-control, perceived stress at work, depressiveness, assessment of one’s own health, and ego-resiliency. Study 2 was a test-retest reliability measurement and took place 10 months later among 344 participants. Results: A factor validity was examined using exploratory (EFA) and confirmatory (CFA) factor analysis. EFA revealed a two-factor structure for the SMM-G and a one-factor structure for the SMM-S. However, these models obtained unsatisfactory goodness-of-fit indices in the CFA. Among the alternative models, the four-factor hierarchical model was best fitted to the data for both the SMM-G (RMSEA = .038, CFI = .996, TLI = .985) and the SMM-S (RMSEA = .041, CFI = .996, TLI = .990). These results were supported in the test-retest sample (SMM-G: RMSEA = .066, CFI = .990, TLI = .968; SMM-S: RMSEA = .056, CFI = .994, TLI = .983). Thus, four lower-order factors were identified: General, Health and Vitality, Performance and Productivity, Learning and Growth. The reliability of the overall general and specific indices measured with Cronbach’s alpha was high and repeatable in both studies (Study 1: SMM-G α = .88; SMM-S α = .91; Study 2 (SMM-G, α = .87; SMM-S, α = .91). The stability for the SMM-G was satisfactory (r = .62; p

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0264853

DOI: 10.1371/journal.pone.0264853

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