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    A model of content development and delivery in e-learning environments
    (WIT PRESS, 2005) Altun, A; Olkun, S; Chiazzese, G; Allegra, M; Chifari, A; Ottaviano, S
    We witness a growing number of e-leaming applications in networked environments. With such an increasing quantity of applications, researchers begin to question how to develop and deliver content to ensure quality. This paper discusses the need and presents a model for developing content in e-learning environments. This model utilizes Winn's information processing model incorporating a constructivist approach to learning. Four phases are proposed and quality content development is discussed within the scope of this model. It is emphasized that technology investment itself does not guarantee the quality content for success in e-learning environments.
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    Computers and 2D geometric learning of Turkish fourth and fifth graders
    (BLACKWELL PUBL LTD, 2005) Olkun, S; Altun, A; Smith, G
    This research investigated the possible impacts of computers on Turkish fourth-grade students' geometry scores and further geometric learning. The study used a pretest-intervention-posttest experimental design. Results showed that students who did not have computers at home initially had lower geometry scores. However, these differences were minimised with an appropriate intervention containing computer-based Tangram puzzles. This suggests that at schools, it seems more effective to integrate mathematical content and technology in a manner that enables students to do playful mathematical discoveries.