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8 ou 80! Adaptação e validação da Escala Breve de Intensidade Afectiva
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Advisor(s)
Abstract(s)
O constructo de intensidade afectiva reflecte o facto das pessoas reagirem diferenciadamente perante
um mesmo estímulo emocional. De entre os factores que determinam a intensidade das respostas
pessoais a um estímulo evocador de afecto, podemos salientar as características individuais. No
presente trabalho tivemos como principais objectivos adaptar e validar a versão reduzida de uma das
medidas mais utilizadas para aceder a este constructo – Escala Breve de Intensidade Afectiva (EBIA)
– recorrendo a uma amostra de estudantes universitários portugueses (Estudo 1). Os resultados
sugerem a escala como sensível a diferenças individuais, apresentando uma boa consistência interna.
Uma análise factorial confirmatória permitiu dar suporte ao modelo trifactorial subjacente à construção
da medida. Adicionalmente, interessou-nos perceber o papel moderador deste constructo na
susceptibilidade a manipulações de estado de espírito, de modo a inferir acerca da sua validade
preditiva (Estudo 2). Os dados corroboram a hipótese de que esta característica individual modera o
impacto de manipulações de estados de espírito, i.e., as pessoas com elevados níveis de intensidade
afectiva demonstram ser mais sensíveis ao visionamento de excertos de filmes humorísticos.
Discutimos a relevância desta medida para diversos campos de investigação.
ABSTRACT: The construct of affect intensity reflects the observation that people may react differently towards a given emotional stimulus. Individual characteristics emerge as one of the main factors underlying such differences in terms of intensity of response. In the first study, our main goals were the adaptation and validation with a sample of Portuguese college students, of one of the most used measures to access this construct in its reduced form – Escala Breve de Intensidade Afectiva (EBIA) (Short Affective Intensity Scale). Data from study 1 suggests that our measure has good psychometric properties. A confirmatory factorial analysis supports the tri-factorial theoretical model that underlies scale construction. In addition, we were interested in the investigation of this construct as a moderator of the susceptibility to a mood manipulation, in order to infer about its predictive validity (Study 2). Data from this study goes in line with the hypothesis that this individual characteristic moderates the impact of mood manipulation, i.e., people with higher scores of affective intensity were more responsive to the screening of humoristic movie clips. We discuss the relevance of this measure to several research domains.
ABSTRACT: The construct of affect intensity reflects the observation that people may react differently towards a given emotional stimulus. Individual characteristics emerge as one of the main factors underlying such differences in terms of intensity of response. In the first study, our main goals were the adaptation and validation with a sample of Portuguese college students, of one of the most used measures to access this construct in its reduced form – Escala Breve de Intensidade Afectiva (EBIA) (Short Affective Intensity Scale). Data from study 1 suggests that our measure has good psychometric properties. A confirmatory factorial analysis supports the tri-factorial theoretical model that underlies scale construction. In addition, we were interested in the investigation of this construct as a moderator of the susceptibility to a mood manipulation, in order to infer about its predictive validity (Study 2). Data from this study goes in line with the hypothesis that this individual characteristic moderates the impact of mood manipulation, i.e., people with higher scores of affective intensity were more responsive to the screening of humoristic movie clips. We discuss the relevance of this measure to several research domains.
Description
Keywords
EBIA Escala Estado de espírito Intensidade afectiva Affective intensity Mood Scale
Citation
Laboratório de Psicologia, 7, 85-99
Publisher
Instituto Superior de Psicologia Aplicada