Interaction model: Difference between revisions

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== Variables of Interactivity ==

There are two variables describing the interactivity of a given lesson: technology affordance and user freedom. Technology affordance, also known as manual operators <ref> {{citation|last=Chen|first=M.|title="A methodology for characterizing computer-based learning environments" in Instructional Science|year=1995}}</ref>, is the richness of the communication between the student and the instructor usually expressed in terms of the input and output channels <ref> {{citation|last1=Helfrich|first1=J.|last2=Moulton|first2=S.|title="Leveraging interactivity to increase e-learning effectiveness" in Proceedings of World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2009|year=2009}}</ref>. User freedom, on the other hand, is a function of the degree of freedom the learning system grandsgrants the student in influencing the presentation of the lesson.

=== Technology Affordance ===