Analise factorial confirmatória da versão portuguesa do CSAI-2

 

Eduarda Maria Coelho

José Vasconcelos-Raposo

Helder Miguel Fernandes

 

Centro de Investigação em Desporto, Saúde e Desenvolvimento Humano da Universidade de Trás-os-Montes e Alto Douro (Portugal)

 

RESUMO

O objectivo deste estudo foi avaliar a estrutura factorial da versão portuguesa do CSAI-2, utilizando várias estruturas propostas em estudos anteriores, através da análise factorial confirmatória (AFC) em duas amostras distintas (uma de calibração e uma de validação). A amostra de calibração foi constituída por 287 alunos da licenciatura em Educação Física e Desporto e a amostra de validação foi constituída por 323 atletas de desportos individuais.

Os resultados da AFC realizada à estrutura original demonstraram uma inadequabilidade do modelo. As outras estruturas propostas por outros autores também foram analisadas e apresentaram índices de adequabilidade superiores, embora ainda não aceitáveis. O novo modelo que propomos, sem a escala de activação, revelou um ajustamento adequado para a amostra de calibração, sendo validada a sua adequabilidade pela segunda amostra (X²/df= 2,645, CFI= 0,916, GFI= 0,871 e RMSEA= 0,074). É sugerida a utilização deste novo modelo, em vez do original, na avaliação da ocorrência de pensamentos negativos, composto por duas escalas correlacionadas (negativismo e autoconfiança), e a continuação da verificação das propriedades psicométricas em investigações futuras.

Palavras-chave: negativismo, autoconfiança, CSAI-2, análise factorial confirmatória.

 

Confirmatory factor analysis of the portuguese version of the CSAI-2

ABSTRACT

The aim of this study was to assess the factorial structure of the Portuguese version of CSAI-2, using several structures suggested in previous studies, through confirmatory factor analysis (CFA) in two different samples ( calibration and validation). The calibration sample consisted of 287 Physical Education and Sports students and the validation sample of 323 athletes of individual sports.

The results of CFA according to the original structure showed some inadequacy of the model. Other structures, suggested by different authors were analysed, revealing acceptable values levels of goodness of fit indices, though still not adequate ones. The new model that we suggest, without the arousal scale, has shown adequate adjustment for the calibration sample and its capability has been validated by the second sample (X²/df= 2,645, CFI= 0,916, GFI= 0,871 e RMSEA= 0,074).. The use of the new model requires further validation, however, due to the obtained good of fitness scores its use in research is suggested. The new model consists of two negatively correlated scales (negativity and self-confidence). The subsequent confirmation of its psychometric properties is recommended for future studies.

Key-words: negativity, self-confidence, CSAI-2, confirmatory factor analysis

 

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Data de submissão: Maio 2007

Data de Aceite: Julho 2007

 

Correspondência:

José Vasconcelos-Raposo

Rua Dr. Manuel Cardona

5000–558 Vila Real. Portugal

E-mail: j.vasconcelos.raposo@gmail.com