Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/7914
Título: Reliability and construct validity of the portuguese version of the psychological capital questionnaire
Autor: Antunes, Ana Cristina Coelho
Caetano, António
Cunha, Miguel Pina e
Palavras-chave: Psychological capital
Construct validity
Incremental validity
Data: Fev-2017
Editora: SAGE Publications
Citação: ANTUNES, Ana Cristina; CAETANO, António; CUNHA, Miguel Pina e - Reliability and construct validity of the portuguese version of the psychological capital questionnaire. “Psychological Reports”. London: SAGE Publications. ISSN 0033-2941/1558-691X. Vol.120: 3 (feb 2017).
Resumo: The Psychological Capital Questionnaire (PCQ) is the most commonly used measure for assessing psychological capital in work settings. Although several studies confirmed its factorial validity, most validation studies only examined the four-factor structure preconized by Luthans, Youssef, and Avolio, not attending to empirical evidence on alternative factorial structures. The present study aimed to test the psychometric properties of the Portuguese version of the PCQ, by using two independent samples (NS1 = 542; NS2 = 115) of Portuguese employees. We conducted a series of confirmatory factor analyses and found that, unlike previous findings, a five-factor solution of the PCQ best fitted the data. The evidence obtained also supported the existence of a second-order factor, psychological capital. The coefficients of internal consistency, as measured by Cronbach’s alpha, were adequate and test–retest reliability suggested that the PCQ presented a lower stability than personality factors. Convergent validity, assessed with average variance extracted, revealed problems in the optimism subscale. The discriminant validity of the PCQ was confirmed by its correlations with Positive and Negative Affect and Big Five personality factors. Hierarchical regression analyses showed that this measure has incremental validity over personality and affect when predicting job performance.
Peer review: yes
URI: http://hdl.handle.net/10400.21/7914
ISSN: 0033-2941(print)
1558-691X (online)
Versão do Editor: http://journals.sagepub.com/doi/pdf/10.1177/0033294116686742
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