Adaptation and Validation of the Individual Work Performance Questionnaire into a Portuguese Version

Eva Petiz Lousã (), Marta Pereira Alves and Linda Koopmans
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Eva Petiz Lousã: Research Unit in Business Sciences and Sustainability (UNICES), University of Maia, 4475-690 Maia, Portugal
Marta Pereira Alves: Research Center in Business Sciences (NECE-UBI), University of Beira Interior, 6200-209 Covilhã, Portugal
Linda Koopmans: TNO Healthy Living and Work, Department of Sustainable Productivity and Employability, 2333 BE Leiden, The Netherlands

Administrative Sciences, 2024, vol. 14, issue 7, 1-13

Abstract: The aim of this study is to adapt and validate the Individual Work Performance Questionnaire (IWPQ) to a Portuguese version (IWPQ-PT) and to evaluate its psychometric properties in a sample of 423 digital sector workers. Two studies were conducted to define the factorial structure. In study 1 ( n = 162), the results of an exploratory factor analysis pointed to a three-factor structure (18 items), explaining 55.56% of the variance. In study 2 ( n = 261), the results of a confirmatory factor analysis revealed a good model fit (CFI = 0.95; RMSEA = 0.06), also reproducing the structure of the original model. The overall scale and subscales demonstrated good reliability, with Cronbach’s alpha coefficients ranging from 0.72 to 0.88. Correlations between the IWPQ-PT subscales and other instruments revealed that higher task and contextual performance are associated with increased job satisfaction, work engagement, and decreased turnover intention. Conversely, counterproductive work behavior is associated with lower job satisfaction, work engagement, and higher turnover intention. This study underscores the contributions of the IWPQ-PT as a reliable and valid tool for assessing individual work performance in Portuguese organizations and highlights its contributions to the field of employee work performance research as well as human resources practices.

Keywords: individual work performance; task performance; contextual performance; counterproductive work behavior; psychometrics (search for similar items in EconPapers)
JEL-codes: L M M0 M1 M10 M11 M12 M14 M15 M16 (search for similar items in EconPapers)
Date: 2024
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