Scores of short and free scale for Big Five explain perceived stress at different stages of life: validity, reliability and measurement invariance of the Polish adaptation of Mini-IPIP
Autorzy: Stanisław K. Czerwiński, Paweł A. Atroszko
Streszczenie: Big-Five personality traits are related to a variety of quality of life outcomes; therefore, they should arguably be controlled for whenever health and well-being are investigated. Valid and reliable short measures of these constructs may enable large scale epidemiological studies. Stress is a well-recognized risk factor for a host of health-related outcomes and its relationship with Big-Five personality is well-evidenced. The aim of this re-search was to investigate psychometric properties of the Polish version of the Mini-IPIP scale measuring Big Five personality factors. This included measurement invariance between genders and between two samples representing different stages of life – an employee sample and an adolescent sample – and investigating the relationships of Big Five personality traits with perceived stress.
Sample 1 comprised 723 employees from a wide range of professions and sample 2 comprised 765 high school students. The Perceived Stress Scale (PSS-4) was used in each sample.
The Mini-IPIP had an acceptable fit and reliability in both samples and showed measurement invariance be-tween samples and between genders within the samples. Big Five personality traits explained the variance in perceived stress similarly in both samples, and analogously to previous studies.
The present study shows that the Polish version is a valid and reliable psychometric tool and provides evidence that the relationship between personality and stress is relatively stable at different life stages, and can be effec-tively investigated with short measures.
Słowa kluczowe: Big Five; measurement invariance; psychometrics; quality of life; stress
W: Current Issues in Personality Psychology, 1/2020 vol. 8