Dataset Information

Empirical validation study and psychometric evaluation of the properties of the populist attitudes scale for the portuguese population.

ABSTRACT:

Background and objective

Recent developments in Europe and Portugal provide a fertile ground for the rise of populism. Despite the growing interest in the topic, there is no reliable tool to gauge Portuguese citizens' populist attitudes to date. The Populist Attitudes Scale (POP-AS), developed by Akkerman et al. [1], is one of the best-known instruments for measuring populist attitudes. However, no version for use in the Portuguese population is available. This paper describes the psychometric validation of the POP-AS for the Portuguese population.

Methods

Trustworthy measures of validity suggested by Boateng et al. [2] to address the psychometric features of the POP-AS were approached. A robust psychometrical pipeline evaluated the reliability, construct validity, cross national/educational validity, and internal validity of the POP-AS.

Results

The Portuguese version of the POP-AS exhibited sound internal consistency and demonstrated adequate properties of validity: a one-factor model was obtained, revealing evidence of construct validity; invariance was ensured for education and partially ensured for the country; All the items of the POP-AS revealed relatively good values of discrimination and contributed adequately to the total score of the scale, ensuring evidence of internal validity.

Conclusion

Psychometric analysis supports the POP-AS as a valid and reliable instrument for measuring populist attitudes among Portuguese citizens. A validation framework for measurement instruments in political science was proposed. Implications of the findings are discussed.

SUBMITTER: Falcao F

PROVIDER: S-EPMC10063943 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature

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Publications

Empirical validation study and psychometric evaluation of the properties of the populist attitudes scale for the portuguese population.

Falcão Filipe F Jalali Carlos C Costa Patrício P

BMC psychology 20230331 1

<h4>Background and objective</h4>Recent developments in Europe and Portugal provide a fertile ground for the rise of populism. Despite the growing interest in the topic, there is no reliable tool to gauge Portuguese citizens' populist attitudes to date. The Populist Attitudes Scale (POP-AS), developed by Akkerman et al. [1], is one of the best-known instruments for measuring populist attitudes. However, no version for use in the Portuguese population is available. This paper describes the psycho ...[more]

PMID: 37004114

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Project description:BackgroundSelf-reported measures are relevant both for the clinic and for health evaluation because they provide an interpretation of quality parameters. Women who experience labour can express themselves through these measures, identifying indicators that need improvement.ObjectiveThe objective of this study is to adapt the Childbirth Experience Questionnaire to the Portuguese context and to determine its psychometric properties.MethodA methodological study carried out with a convenience sample where the participants were 161 female users of a hospital in southern Portugal. They were aged between 20 and 43 years (M = 31.05, SD = 4.87) and answered a questionnaire approximately 48 h postpartum, preserving the ethical principles. The original instrument, with 22 items, underwent the linguistic and cultural adequacy process.ResultsFactor analysis with Varimax rotation was performed, revealing a set of 19 items with factor weights above .400. The set of items remained four-dimensional as the original, explaining 62.517% of the variance. In the retest, the reliability results showed that similar characteristics to the original study are maintained in the two subscales that express 'Participation' (three items) and 'Professional Support' (four items), with internal consistency values of .807 and .782. The 'Own Performance' and 'Own Threshold' subscales were elaborated from the results of the Varimax rotation, presenting Cronbach's alpha coefficients of .840 and 714, respectively. The total scale showed alpha values of .873 and .823 in the test and retest, respectively. Time stability showed a positive association, with r = .659 (p < .001). Accuracy through the split-half method reached an alpha value of .880 with Spearman-Brown correction. The floor effect was high in the 'Participation' subscale, both in the test and in the retest. Convergent validity between the instrument and the 'Index of Strategies for Pain Relief in Labour' discrete variable showed a Spearman's rho value of .209 (p = .011) in the total scale. In discriminating validity, the Mann-Whitney test reveals that the women who recognize interactions with the midwife have more favourable scores in Childbirth Experience Questionnaire (U = 2748.000; Z = 2.905; p = .004).ConclusionThe current version in European Portuguese suggests that it is a valid and reliable measure. This study may facilitate other validation processes in Lusophony countries.

Dataset Information

Empirical validation study and psychometric evaluation of the properties of the populist attitudes scale for the portuguese population.

Background and objective

Methods

Results

Conclusion

Publications

Empirical validation study and psychometric evaluation of the properties of the populist attitudes scale for the portuguese population.

Similar Datasets

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