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      Development and Validation of the Spanish Version of the Political Skill Inventory: A Measurement Invariance Test Translated title: Desarrollo y validación de la versión española del Inventario de Habilidades Políticas: una prueba de invarianz de medición

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          Abstract

          Abstract: Background: The Political Skills Inventory (PSI) is a measurement tool for assessing four dimensions associated with political skills: social astuteness, interpersonal influence, networking ability and apparent sincerity (Ferris, Davidson & Perrewé, 2005). Method: In the present study, multi-sample and multi-method, we developed and analyzed the psychometric properties of the Spanish version of the (PSI), by performing both exploratory and confirmatory factor analyses over two samples composed by employees from diverse professions for the first sample (collected through three waves, with values ranging between Mage = 43.66 - 44.70, SD = 9.42 - 10.22 and 57.3 - 58.4% of women) and a healthcare workforce for the second one (Mage = 35.56, SD = 7.23; 80.6% women). Additionally, a longitudinal reliability test and a gender factorial invariance test were performed. Results: Cronbach's alpha (ranging between 0.83-0.90 in our data and between 0.73-0.87 in the original version) and omega (0.85 for the overall scale) indices revealed satisfactory reliability and exploratory factor analyses extracted the four original factors as reported in other studies (N = 309). Confirmatory factorial analyses confirmed that the four-factor solution presented the best fit to our data (N = 248). Conclusions: We add new evidence for time and gender invariance of the measure, showing that the PSI can be considered a stable and valid measure over time and across gender.

          Translated abstract

          Resumen: Introducción: El inventario de habilidades políticas (PSI, siglas en inglés) es una medida para calibrar cuatro dimensiones relacionadas con este constructo: la astucia social, la capacidad de influencia interpersonal, la habilidad para establecer contactos y la sinceridad aparente (Ferris, Davidson & Perrewé, 2005). Método: En el presente estudio, multi-muestra y multi-método, sendos análisis factorial exploratorio y confirmatorio se han llevado a cabo sobre dos muestras, una primera compuesta por trabajadores de varios ramos (recogido en tres etapas, con una edad media comprendida entre 43.66 y 44.70 años, DT = 9.42 - 10.22, y un porcentaje de mujeres entre 57.3 - 58.4%) y una segunda por trabajadores del sector salud (Mage = 35.56, SD = 7.23; 80.6% women), para desarrollar y testar las propiedades psicométricas de la versión española del PSI. Adicionalmente, se llevó a cabo una prueba de fiabilidad longitudinal y un análisis de invarianza relativo al género. Resultados: Los índices alpha de Cronbach (cuyos valores oscilaron entre 0.83-0.90 en nuestros datos, y entre 0.73-0.87 en la versión original) y omega (0.85 para el total de la escala) revelaron un grado de fiabilidad satisfactoria. El análisis factorial exploratorio extrajo los cuatro factores de la versión original, tal y como ya ha sido reportado en otros estudios (N = 309). El análisis factorial confirmatorio confirmó que el ajuste de dicha estructura fue el mejor frente a los datos (N = 248). Conclusiones: Con este estudio se añade evidencia al estudio de la invarianza de género y la estabilidad temporal de esta medida, mostrando que la versión española del PSI puede ser considerada una medida estable y válida a través del tiempo y relativa al género.

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          From alpha to omega: a practical solution to the pervasive problem of internal consistency estimation.

          Coefficient alpha is the most popular measure of reliability (and certainly of internal consistency reliability) reported in psychological research. This is noteworthy given the numerous deficiencies of coefficient alpha documented in the psychometric literature. This mismatch between theory and practice appears to arise partly because users of psychological scales are unfamiliar with the psychometric literature on coefficient alpha and partly because alternatives to alpha are not widely known. We present a brief review of the psychometric literature on coefficient alpha, followed by a practical alternative in the form of coefficient omega. To facilitate the shift from alpha to omega, we also present a brief guide to the calculation of point and interval estimates of omega using a free, open source software environment. © 2013 The British Psychological Society.
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            Measurement Invariance Conventions and Reporting: The State of the Art and Future Directions for Psychological Research.

            Measurement invariance assesses the psychometric equivalence of a construct across groups or across time. Measurement noninvariance suggests that a construct has a different structure or meaning to different groups or on different measurement occasions in the same group, and so the construct cannot be meaningfully tested or construed across groups or across time. Hence, prior to testing mean differences across groups or measurement occasions (e.g., boys and girls, pretest and posttest), or differential relations of the construct across groups, it is essential to assess the invariance of the construct. Conventions and reporting on measurement invariance are still in flux, and researchers are often left with limited understanding and inconsistent advice. Measurement invariance is tested and established in different steps. This report surveys the state of measurement invariance testing and reporting, and details the results of a literature review of studies that tested invariance. Most tests of measurement invariance include configural, metric, and scalar steps; a residual invariance step is reported for fewer tests. Alternative fit indices (AFIs) are reported as model fit criteria for the vast majority of tests; χ(2) is reported as the single index in a minority of invariance tests. Reporting AFIs is associated with higher levels of achieved invariance. Partial invariance is reported for about one-third of tests. In general, sample size, number of groups compared, and model size are unrelated to the level of invariance achieved. Implications for the future of measurement invariance testing, reporting, and best practices are discussed.
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              An effect size primer: A guide for clinicians and researchers.

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                Author and article information

                Journal
                ap
                Anales de Psicología
                Anal. Psicol.
                Universidad de Murcia (Murcia, Murcia, Spain )
                0212-9728
                1695-2294
                September 2020
                : 36
                : 2
                : 370-377
                Affiliations
                [1] Madrid orgnameUniversidad Complutense de Madrid Spain
                Article
                S0212-97282020000200020 S0212-9728(20)03600200020
                10.6018/analesps.36.2.368871
                a2af8591-4705-428a-bc58-c5f9e12a8b7a

                This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

                History
                : 17 March 2019
                : 05 November 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 52, Pages: 8
                Product

                SciELO Spain

                Categories
                Social and Organizational Psychology

                Multiple-group Analysis,Factorial Structure,Construct Validity,Organizational Psychology,Political Skill,Employee Skills,Análisis multigrupo,Estructura factorial,Validez de constructo,Psicología Organizacional,Habilidades del empleado

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