Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).

<h4>Introduction</h4>Flow state is a psychological concept used to describe the optimal engagement in different activities. Therefore, the DFS-2 has been developed as an instrument to measure an individual's dispositional tendency to flow state as a personality trait.<h4>Objec...

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Autores principales:	Ig Ibert Bittencourt, Leogildo Freires, Yu Lu, Geiser Chalco Challco, Sheyla Fernandes, Jorge Coelho, Júlio Costa, Yang Pian, Alexandre Marinho, Seiji Isotani
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/50b38803f6b849438374b0c665e8482e
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spelling	oai:doaj.org-article:50b38803f6b849438374b0c665e8482e2021-12-02T20:05:05ZValidation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).1932-620310.1371/journal.pone.0253044https://doaj.org/article/50b38803f6b849438374b0c665e8482e2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253044https://doaj.org/toc/1932-6203<h4>Introduction</h4>Flow state is a psychological concept used to describe the optimal engagement in different activities. Therefore, the DFS-2 has been developed as an instrument to measure an individual's dispositional tendency to flow state as a personality trait.<h4>Objective</h4>Aiming to obtain an adapted version of the DFS-2 for the Brazilian-Portuguese language (DFS-BR) and for general activities, we performed its forward- and backward-translation, and we validated it.<h4>Methods</h4>After gathering answers from 681 Brazilian participants, we performed: (1) the construct validity of the DFS-BR; and (2) the psychometric item quality analysis.<h4>Results</h4>the Confirmatory Factorial Analysis (CFA) indicates the best fit for the gathered data is a nine multi-correlated factorial model (χ2/df = 4.23, CFI = 0.94, TLI = 0.93 and RMSEA = 0.069). Reliability tests performed in this structure indicates excellent internal consistency for the DFS-BR. The item quality analysis indicates that its difficulty and discriminating parameters have a good endorsement to estimate the dispositional flow state. Additionally, we proposed and validated a short version of the DFS-BR (composed of only nine items). The validation results indicates good fit (χ2/df = 2.94, CFI = 0.98, TLI = 0.97 and RMSEA = 0.053) and good internal consistency. The Test Information Curve of the short version indicates that it is very informative in the estimation of individual dispositional flow state.<h4>Discussion and conclusions</h4>In view of these results, we conclude that the DFS-BR showed good evidence of its validity to be used with Brazilian people. We also suggest the use of a short version when we need only measure the person's flow state based on the principle of Occam's razor. This principle is supported by the analysis presented in this article.Ig Ibert BittencourtLeogildo FreiresYu LuGeiser Chalco ChallcoSheyla FernandesJorge CoelhoJúlio CostaYang PianAlexandre MarinhoSeiji IsotaniPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0253044 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ig Ibert Bittencourt Leogildo Freires Yu Lu Geiser Chalco Challco Sheyla Fernandes Jorge Coelho Júlio Costa Yang Pian Alexandre Marinho Seiji Isotani Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
description	<h4>Introduction</h4>Flow state is a psychological concept used to describe the optimal engagement in different activities. Therefore, the DFS-2 has been developed as an instrument to measure an individual's dispositional tendency to flow state as a personality trait.<h4>Objective</h4>Aiming to obtain an adapted version of the DFS-2 for the Brazilian-Portuguese language (DFS-BR) and for general activities, we performed its forward- and backward-translation, and we validated it.<h4>Methods</h4>After gathering answers from 681 Brazilian participants, we performed: (1) the construct validity of the DFS-BR; and (2) the psychometric item quality analysis.<h4>Results</h4>the Confirmatory Factorial Analysis (CFA) indicates the best fit for the gathered data is a nine multi-correlated factorial model (χ2/df = 4.23, CFI = 0.94, TLI = 0.93 and RMSEA = 0.069). Reliability tests performed in this structure indicates excellent internal consistency for the DFS-BR. The item quality analysis indicates that its difficulty and discriminating parameters have a good endorsement to estimate the dispositional flow state. Additionally, we proposed and validated a short version of the DFS-BR (composed of only nine items). The validation results indicates good fit (χ2/df = 2.94, CFI = 0.98, TLI = 0.97 and RMSEA = 0.053) and good internal consistency. The Test Information Curve of the short version indicates that it is very informative in the estimation of individual dispositional flow state.<h4>Discussion and conclusions</h4>In view of these results, we conclude that the DFS-BR showed good evidence of its validity to be used with Brazilian people. We also suggest the use of a short version when we need only measure the person's flow state based on the principle of Occam's razor. This principle is supported by the analysis presented in this article.
format	article
author	Ig Ibert Bittencourt Leogildo Freires Yu Lu Geiser Chalco Challco Sheyla Fernandes Jorge Coelho Júlio Costa Yang Pian Alexandre Marinho Seiji Isotani
author_facet	Ig Ibert Bittencourt Leogildo Freires Yu Lu Geiser Chalco Challco Sheyla Fernandes Jorge Coelho Júlio Costa Yang Pian Alexandre Marinho Seiji Isotani
author_sort	Ig Ibert Bittencourt
title	Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
title_short	Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
title_full	Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
title_fullStr	Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
title_full_unstemmed	Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).
title_sort	validation and psychometric properties of the brazilian-portuguese dispositional flow scale 2 (dfs-br).
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/50b38803f6b849438374b0c665e8482e
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Validation and psychometric properties of the Brazilian-Portuguese dispositional flow scale 2 (DFS-BR).

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