Supporting Educational Software Design with Knowledge- Rich Tools

As educational software becomes more complex and multimedia more pervasive, authoring tools become increasingly central to the construction of instructional applications. Moreover, the importance of creating tools that encourage effective instructional design is now widely recognized. In response to this, researchers are creating sophisticated tools that not only support the mechanics of software design but embody models of pedagogy as well, which has led to efforts in designing specialized authoring environments around specific instructional frameworks. To better support the design process, such tools must possess knowledge of the domain and of the kinds of tasks suited to that domain. This paper reports preliminary work in augmenting a specialized authoring tool with task and domain knowledge. The tool supports the design of a specific class of Goal-Based Scenarios that emphasizes investigation. The extension to this tool represents and applies knowledge of investigations, in terms of both their structure and the objects that typically appear in them.

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