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Psychometric properties of the Satisfaction with Job Life Scale in Portuguese workers: A systematic study based on the IRT and CFA modeling
Author(s)
Tomás, José M.
Private University of the North
Neto, Joana
Universidade do Porto
Tomás, José M.
Universitat de València
Valencia, Pablo D.
Ventura‐León, José
Private University of the North
Neto, Félix
Universidade do Porto
Reyes-Bossio, Mario
Peruvian University of Applied Sciences
Date Issued
1 de junio de 2020
Type
Article
Volume
6
Issue
6
Series/Report No.
Heliyon
Start Page
e03881
End Page
e03881
ISSN
2405-8440
Abstract
= -.455). Factorial invariance suggests that the structure of the SWJLS measures the same construct (satisfaction with work-life) in both female and male workers. Moreover, IRT analysis suggests that higher levels of work-life satisfaction are needed to choose the upper response options, while a very low level of work-life satisfaction is required to increase the likelihood of choosing the lower response options. In this sense, the SWJLS is useful and reliable, especially for identifying people with low levels of job satisfaction. These findings support the validity of the SWJLS and indicate that the Portuguese version is a brief instrument with good psychometric characteristics for measuring work-life satisfaction.