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Estudo da Basic Need Satisfaction in General Scale para a língua portuguesa
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Advisor(s)
Abstract(s)
Este estudo descreve o processo de adaptação da versão portuguesa, de 21 itens, da Basic Need Satisfaction in General Scale da teoria de auto-determinação. O instrumento é composto por três subescalas que correspondem às três necessidades básicas (a) competência, (b) autonomia e (c) relações de pertença. Foi administrado em dois estudos independentes, 420 e 408 participantes respectivamente, com amostras de conveniência da comunidade. A primeira fase incluiu tradução, retroversão e retradução; inspecção da equivalência lexical e de conteúdo; e reflexão falada. No processo de adaptação é aferido se a validade de conteúdo está de acordo com a teoria original. O estudo métrico revela valores baixos na consistência interna em algumas das subescalas. Numa análise exploratória inicial, em ambos os estudos, emergem três factores no scree plot, a maioria dos itens apresenta carga factorial apropriada no primeiro factor. Os resultados sugerem que a escala poderá ser utilizada na população portuguesa assumindo os princípios teóricos definidos pelos autores originais e reconhecidos na investigação.
Abstract: This paper describes the adaptation process of the Portuguese version, comprised of 21 items, of the Basic Need Satisfaction in General Scale of self-determination theory. This instrument consists of three subscales that correspond to the three basic needs of (a) competence, (b) autonomy and (c) relatedness. It was administered in two independent studies, with 420 and 408 participants respectively, with convenience samples extracted from the community. The first phase included translation, back translation and retroversion; inspection for lexical equivalence, content validity and cognitive debriefing. In the adaptation process we evaluated whether the content validity was consistent with the original theory. Psychometric properties reveal low internal consistency in some of the subscales. In an initial exploratory analysis, in both studies, three factors emerged in the scree plot and most of the items displayed appropriate factorial load in the first factor. The results suggest that the scale may be used in the Portuguese population assuming the theoretical principles defined by the original authors and recognized in research.
Abstract: This paper describes the adaptation process of the Portuguese version, comprised of 21 items, of the Basic Need Satisfaction in General Scale of self-determination theory. This instrument consists of three subscales that correspond to the three basic needs of (a) competence, (b) autonomy and (c) relatedness. It was administered in two independent studies, with 420 and 408 participants respectively, with convenience samples extracted from the community. The first phase included translation, back translation and retroversion; inspection for lexical equivalence, content validity and cognitive debriefing. In the adaptation process we evaluated whether the content validity was consistent with the original theory. Psychometric properties reveal low internal consistency in some of the subscales. In an initial exploratory analysis, in both studies, three factors emerged in the scree plot and most of the items displayed appropriate factorial load in the first factor. The results suggest that the scale may be used in the Portuguese population assuming the theoretical principles defined by the original authors and recognized in research.
Description
Keywords
Satisfação necessidades básicas Teoria auto-determinação Adaptação Basic needs satisfaction Self-determination theory Adaptation
Citation
Psicologia, Saúde & Doenças, 13, 209-219
Publisher
Sociedade Portuguesa de Psicologia da Saúde