Theofanis Despotakis

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In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: a b s t r a c t In this paper, we identify key challenges faced by computer-based(More)
Executive Summary Learning about computers continues to be regarded as a rather informal and complex landscape dominated by individual exploratory and opportunistic approaches, even for students and instructors in Computer Science Departments. During the last two decades, software animated demonstrations (SADs), also known as screencasts, have attracted(More)
Electronic Assessment systems usually provide an authoring tool for creating activities (mainly closed-type questions) and administering the flow of their presentation and are also complemented with a delivery environment for learners. In this paper, we discuss learner's control over authored assessment. The prototype application, ReACTS (Re-Adaptable(More)
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