Validação de um modelo de aceitação de tecnologia TAM em estudantes universitários dominicanos
DOI:
https://doi.org/10.18800/educacion.202201.005Palavras-chave:
Modelo TAM, Intenção Comportamental, Atitude, Facilidade Percebida, Utilidade PercebidaResumo
No contexto da virtualização do ensino universitário devido à pandemia de Covid-19, realizamos um estudo para estabelecer os determinantes da intenção de uso da sala de aula virtual, seguindo um modelo teórico baseado no Modelo de Aceitação de Tecnologia modificado por Park (2009) e incluindo os fatores Atitude, Utilidade Percebida, Facilidade Percebida, Autoeficácia Virtual, Norma Subjetiva e Acessibilidade do sistema. A amostra foi composta por 1.260 estudantes autosselecionados de 13 universidades dominicanas. Para verificar a validade e confiabilidade do instrumento de medida, foi realizada uma Análise Fatorial Confirmatória, que determinou que o fator Acessibilidade do Sistema deveria ser eliminado por se basear em um único item que não possuía validade discriminatória. Um item foi eliminado do fator Norma Subjetiva para trazê-lo a uma confiabilidade aceitável. Em geral, a validade do instrumento foi mantida, mas seus índices de ajuste com o modelo teórico podem ser melhorados. Com a Análise de Mediação Múltipla, pudemos verificar que a Norma Subjetiva, o fator social, foi o fator com maior influência estatística na Intenção de Uso da sala de aula virtual, direta e indiretamente. Indiretamente, a Norma Subjetiva foi mediada pela Utilidade Percebida e Atitude. O outro fator que influenciou significativamente, direta e indiretamente, na Intenção de Uso foi a Autoeficácia Virtual. Indiretamente, essa Autoeficácia foi mediada pela Facilidade Percebida, Utilidade Percebida e Atitude.
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