Purpose Wikis, as one of the Web 2.0 tools, has been increasingly used to engage students to learn with others in a collaborative virtual environment. However, there are relatively few studies examining the application of wikis in secondary schools. Therefore, this study aims to investigate factors affecting the use of PBWorks (a popular wiki tool). Design/methodology/approach The aim was achieved by empirically examining an extended technology acceptance model (TAM) from a sample of 429 junior secondary students in Hong Kong. Specifically, relationships among six latent variables, which were school support, teacher support, perceived ease of use, perceived usefulness, attitudes towards use and the intention to use, were posited in the model. The more robust factor-based partial least squares structural equation modelling (factor-based PLS-SEM) was used to test the research model. Findings The results indicated that most of the hypotheses were supported, which suggested that the extended TAM could explain the rationale behind students’ intentions to use PBWorks for group projects. Originality/value This paper extended the original TAM by including two additional variables (school support and teacher support) for explaining behavioural intentions. Because of the increased use of e-learning platforms in secondary schools, more understanding of what motivates secondary school students’ e-learning intentions is necessary.
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