types of mobile learning require specific pedagogical models and accompanying instructional systems design (ISD) principles. The implications from that research effort have led ADL to further explore which. The Advanced Distributed Learning (ADL) Initiative conducted previous research on the effectiveness of mobile course delivery. This paper summarizes a review of literature and a state-of-the-art assessment of instructional design principles, iterative process methodologies, and pedagogical models for mobile learning. The results of the study indicate that the participants believe that the new functionalities improved the creation of reusable LOs both in the creative aspect and in the reduction of the total development time. The added functionalities were evaluated in a qualitative study with 11 teachers/tutors. Through these new resources, authors can build LOs by reusing resources created by other authors and reuse good practices, e.g., through previously validated pedagogical practices. The proposed evolution is based on previous work on reuse requirements and best practices on authoring LOs, which resulted in the inclusion of three new features on the tool: Layouts, Widgets, and Application Templates. This paper presents the evolution of CacuriĆ” -an authoring tool that supports the creation of interactive multimedia educational content for the Web and digital TV- towards improved support for LOs reuse and analyzes the impact of the proposals as perceived by the users of the tool. In such a context, authoring tools that allow teachers and tutors to create educational content without the need for advanced programming knowledge play an essential role. Artifacts and best practices reuse as a way of improving educational resources and easing and speeding up the authoring process have been an important theme since the earliest research efforts on Learning Objects (LOs).
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