Extending the TAM model to explore the factors that affect Intention to Use an Online Learning Community
Introduction
With the development of World Wide Web, more and more people are participating in learning activities on the Internet. When a number of people with a common learning goal form a group, it is called a learning community. Online learning communities are gradually altering traditional learning styles because of the pervasiveness of the Internet. Members of these communities come from various places, and have different educational backgrounds and different proficiency levels. They interact for mutual learning of a common subject, such as a second language.
Rovai (2002) observed that, in an online learning community, all members expect that their learning needs will be satisfied by pursuing a common learning goal. It could be said that the members develop a common “collective consciousness”, because they build relationships with one another and their instructors via the user interface. The diverse interactive media play a support role in learning. Therefore, it is necessary to consider the needs of learners and the characteristics of each online learning community when designing online learning courses (Dede, 1996).
In the context of traditional classroom learning, teachers who determine the curriculum guide the course through face-to-face learning. Students absorb the course content from the teachers in the class and interact with peers or instructors through discussions. In general, the teacher plays an authoritative role. It is difficult for us to know whether students are active or passive participants. They may need to complete the work or task assigned by the teacher and get credits after passing the exam. However, we do not know whether such a learning method is suitable for everyone. Undoubtedly, the traditional classroom learning model is still the norm, despite the restrictions on time, space, and class sizes.
The current trend in education is to apply technology in the learning process. As more teachers adopt information technology to assist instruction, more researchers will investigate the issue of technology-integrated education. Davis (1986), who proposed the Technology Acceptance Model (TAM), suggested that the ease of use and usefulness of a technology affect users’ intention to use it. Therefore, we can predict users’ willingness to accept technology based on their perception by using TAM model. In this study, we build an Intelligent Web-based Interactive Language Learning (IWiLL) community as an online English learning platform for high school students throughout Taiwan. Members of this community can share their learning experiences and discuss course contents with each other. Specifically, we use the TAM model as our framework, and seek other factors that may affect Intention to Use an Online Learning Community to construct our model. We also discuss the casual relationships between the identified factors and explain the real-world phenomena.
Section snippets
TAM
Davis, 1986, Davis, 1989, Davis, 1993 proposed the Technology Acceptance Model (TAM) to investigate the impact of technology on user behavior. The model focuses on the process of using technology, where “Perceived Usefulness” and “Perceived Ease of Use” are the two key factors that affect an individual’s intention to use a technology. Perceived Usefulness means that the user believes the technology will improve his/her performance, while Perceived Ease of Use refers to the belief that using the
The design of an online learning community – IWiLL
In Taiwan, English learning has become essential because of the need to connect with the international community. High school students must reach a certain level of English proficiency before going to college. In recent years, the government has promoted the General English Proficiency Test (GEPT) to assess students’ English skills. All students are encouraged to take the test because it provides a fair assessment of their English proficiency level.
Intelligent Web-based Interactive Language
Instrument
When developing the instrument for this research, some items of the constructs (Perceived Usefulness, Perceived Ease of Use, and Intention to Use) were adapted from previously validated instruments for use in our online learning community context (Ajzen and Fishbein, 1980, Davis, 1989, Davis, 1993, Venkatesh, 2001, Venkatesh and Davis, 1996). The items of the remaining constructs (Online Course Design, User-Interface Design, Previous Online Learning Experience, and Perceived Interaction) were
Model testing criteria
Many indices can be used to evaluate the fit of a model, but no single index can serve as the only standard for judging the quality of a model (Schumacker & Lomax, 1996). We adopted the following indices recommended by Hoyle and Panter (1995) and Kelloway (1998), as the criteria for the model’s evaluation:
(1) /d.f. should be less than 3; (2) goodness-of-fit index (GFI) should be more than 0.9; (3) adjusted GFI (AGFI) should be more than 0.8; (4) normed fit index (NNFI) should be more than
Discussion and conclusion
The goal of this research, which is based on the TAM model, is to add new variables, namely Online Course Design, User-interface Design, Previous Online Learning Experience, and Perceived Interaction, to the model and explore whether users are willing to adopt an online learning community. Our empirical study validates the proposed research model and hypotheses, and demonstrates that the hypotheses can be supported. Finally, we identify the phenomena that derive from the causal relationships in
Acknowledgements
The IWiLL project is partially sponsored by the Ministry of Education and the National Science Council of Taiwan under Grant NSC 96-2524-S-008-003. The authors would like to thank all the people who participated in and contributed to this study, and anonymous reviewers′ constructive comments on earlier version of this manuscript.
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