Short Index of Job Satisfaction: Validity evidence from Portugal and Brazil

Jorge Sinval and João Marôco

PLOS ONE, 2020, vol. 15, issue 4, 1-21

Abstract: Job satisfaction is an important construct that is known to be associated with workers’ performance and wellbeing. As such, to properly measure it, one must use adapted measures that show adequate validity evidence for the desired context. Such measures should preferably be short to allow the parsimonious use of various measures/constructs in the same data collection. The aim of this paper is to adapt the Portuguese version for Brazil and Portugal of the Short Index of Job Satisfaction (SIJS). The SIJS is a psychometric instrument that measures job satisfaction through five items. A cross-sectional study was conducted with two multi-occupational workers samples, one from Brazil (n = 599) and one other from Portugal (n = 572). The SIJS presented good validity evidence based on its internal structure, namely dimensionality, reliability, and measurement invariance across countries and sexes. It also revealed to be positively correlated with work engagement, and quality of work life (convergent evidence). It also has shown to be negatively associated with burnout (discriminant evidence). The SIJS showed promising validity evidence. The SIJS can be useful to be used together with other instruments, due to its small number of items, producing data with good psychometric properties.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0231474

DOI: 10.1371/journal.pone.0231474

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