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Versão reduzida da escala portuguesa de afeto positivo e negativo-PANAS-VRP: Análise fatorial confirmatória e invariância temporal
Mid Sweden University, Faculty of Human Sciences, Department of Psychology.ORCID iD: 0000-0002-5403-0091
2014 (Portuguese)In: Psicologia, ISSN 0874-2049, Vol. 28, no 1, 53-65 p.Article in journal (Refereed) Published
Abstract [pt]

Embora a Positive and Negative Affect Schedule (PANAS: Watson, Clark, & Tellegen, 1988) seja uma escala parcimoniosa, vários autores referem a necessidade de desenvolver versões reduzidas da escala. Este estudo desenvolveu uma versão portuguesa reduzida da PANAS portuguesa (adaptada por Galinha & Ribeiro, 2005), analisou a sua estrutura fatorial e testou a invariância temporal, num intervalo de dois meses. Uma amostra de 245 participantes adultos, no ensino superior e em formação profissional, foi recolhida e replicada com dois meses de intervalo. A nova versão reduzida da PANAS portuguesa (PANAS-VRP) foi posteriormente analisada numa segunda amostra de 535 estudantes universitários. Os resultados mostram que embora a estrutura da PANAS-VRP se tenha revelado variável entre as duas amostras do estudo (o que pode ser explicado pelos pressupostos teóricos da escala), apresentou boas características psicométricas em ambas as amostras. A PANAS-VRP revelou ainda invariância temporal num intervalo de dois meses e uma correlação elevada com a versão integral da escala, nas duas amostras, indicando que ambas as versões estão a medir os mesmos constructos.

Abstract [en]

The Positive and Negative Affect Schedule (PANAS; Watson, Clark, & Tellegen, 1988) is a parsimonious scale. However, several authors suggested that a short-version of the scale is useful. In this study, a short version of the Portuguese PANAS (Galinha & Ribeiro, 2005) was developed. The study analyzed the factorial structure and the temporal invariance of the short-version in a two month interval. A sample of 245 graduate students and professional training students was collected and replicated in a two month interval. The new short version of the Portuguese PANAS (PANAS-VRP) was then analyzed in a second sample of 535 university students. Results showed that although the structure of the PANAS-VRP was not the same in both samples of the study (what can be explained by the theoretical framework of the scale), it did show good psychometric properties in both samples. The PANAS-VRP also showed temporal invariance in a two month interval and a strong correlation with the original version of the scale in both samples, suggesting that both versions of the scale are measuring the same constructs.

Place, publisher, year, edition, pages
2014. Vol. 28, no 1, 53-65 p.
National Category
Psychology
Identifiers
URN: urn:nbn:se:miun:diva-23297OAI: oai:DiVA.org:miun-23297DiVA: diva2:759050
Available from: 2014-10-28 Created: 2014-10-28 Last updated: 2014-12-10Bibliographically approved

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