Improving the interfaces of online discussion forums to enhance learning support : a thesis presented in partial fulfilment of the requirements for the degree of Master of Information Science in Information Systems at Massey University, Palmerston North, New Zealand
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Date
2008
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Massey University
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Abstract
This thesis describes a research work aimed at improving the interfaces of online discussion
forums (ODFs) in relation to their functional support to enhance learning. These ODFs
form part of almost all Learning Management Systems (LMSs) such as WebCT, Moodle
and Blackboard, which are widely used in education nowadays. Although ODFs are
identified as valuable sources to learning, their interfaces are limited in terms of providing
support to students, such as in the areas of managing their postings as well as in facilitating
them to quickly locate and obtain specified information. In addition, these systems lack
features to support inter-institutional cooperation that could potentially increase knowledge
sharing between students and educators of different institutions. The interface design
objective of this study therefore was to explore and overcome the limitations identified as
above, and enhance the effectiveness and efficiency of ODFs’ support to learning. Using a
task centered design approach; the required features were developed, and implemented in a
working prototype called eQuake (electronic Question answer knowledge environment).
eQuake is a shared online discussion forum system developed as an add-on to a well-known
open source e-learning platform (Moodle). This system was intended for use among interinstitutional
students in New Zealand tertiary institutions that teach similar courses. The
improved interface functionalities of eQuake are expected to enhance learning support in
terms of widening communication among users, increasing knowledge base, providing
existing matching answer(s) quickly to students, and exposing students to multiple
perspectives. This study considers such improvements to ODF interfaces as vital to enable
users to enjoy the benefits of technology-mediated environment. The perceived usefulness
and ease-of-use of improved features in eQuake were evaluated using a quantitative
experimental research method. The evaluation was conducted at three tertiary institutions in
New Zealand, and the overall results indicated positive response, although some
suggestions for improvement have been made in the evaluation. This thesis presents a
review of the related literature, describes the design and development of a user interface,
followed by its implementation in eQuake, and a description of the evaluation. The thesis
concludes with recommendations for better interface design of ODFs and provides
suggestions for future research in this area.
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Keywords
Discussion forums, Online learning, e-Learning, User interface design