Tagging the interactive quality of Learning Objects in CALL: The role of metadata in assessing multimedia for educational purposes

摘要

The efficiency of Computer Aided Language Learning (CALL) lies not only in its basic technical and pedagogical excellence but also in its ready accessibility to end-users. At present, however, many learners and teachers invariably find themselves overwhelmed by the complexities of multimedia products. What is needed is a system of tagging to help users choose appropriate learning material with a minimum of time and effort. Our paper attempts to do this by adopting an interdisciplinary approach in examining the role of metadata when it comes to classifying certain types of interpersonal and document-based interactivity in a computer-supported Tutoring System. This is done by proposing five broad categories of interactivity for which each is defined in terms of different sub-types.