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Advances in information and communication technologies have given impetus to e-learning as choice educational environment for million of learners. E-learning involves the use of Internet technology to provide education where the instructor and students operate without geographical boundaries. Despite positive strides made in e-learning, the drop out rate of students remains high. Most educators argue that interactivity of learners is central to the success of e-learning initiatives. Accordingly, we present an interactivity model to dynamically measure interactivity in the context of elearning. The model leverages a common term vocabulary and Chebyshev's inequalities to objectively measure the contributions of participants in a group work. We evaluate the performance of our model using extensive simulation studies. | Knowledge Management E-Learning An International Journal Vol.2 No.4. 370 The Dynamics of Interactivity Modelling for e-Learning Chima Adiele Department of Computing and Information Systems Trinity Western University Langley BC Canada E-mail chima.adiele@twu.ca Ezeamaka D. Nwanze Department of Computer Science University of Benin Benin City Nigeria E-mail dnwanze2000@yahoo.com Corresponding author Abstract Advances in information and communication technologies have given impetus to e-learning as choice educational environment for million of learners. E-learning involves the use of Internet technology to provide education where the instructor and students operate without geographical boundaries. Despite positive strides made in e-learning the drop out rate of students remains high. Most educators argue that interactivity of learners is central to the success of e-learning initiatives. Accordingly we present an interactivity model to dynamically measure interactivity in the context of elearning. The model leverages a common term vocabulary and Chebyshev s inequalities to objectively measure the contributions of participants in a group work. We evaluate the performance of our model using extensive simulation studies. Keywords E-learning interactivity model Web community and simulation. Biographical notes Chima Adiele received his Ph.D. in Computer Science from the University of Manitoba Canada. Currently Adiele is the Director of Policy Planning Research and Associate faculty at Trinity Western University Langley BC Canada. Adiele served as Faculty at the University of Lethbridge and Research Associate at the University of Manitoba all in Canada. He was a faculty and Coordinator of Diploma Programs at the University of Port Harcourt Nigeria. Adiele s research essentially involves data manipulation and interpretation including Web data integration Internet computing systems and e-commerce. He has published his research work in refereed journals and conferences and has .
