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This paper addresses issues of using computer technology to support in-classroom teaching and learning regarding one of the most frequent problems in such scenarios: the students' attention. First, it presents the distraction and focus of attention problems that arise while using computer technology with off-the-shelf software for supporting different activities which take place in usual lectures. Examples of these activities are presentations of learning material, discussion, individual and collaborative problem solving, and difficulties of switching from one to another. A solution to this problem is an integrated approach with a particular implementation under the notion of "CiC". The implemented system attempts to reduce the number of interactions needed to switch from one activity to another as well as to reduce the cognitive load for both teacher and students. The usage of both this system and standard software are compared and research results are presented. Results show the CiC is useful to solve the problem. [ABSTRACT FROM AUTHOR]

The rapid advancements in online education have pointed to a new open learning approach using Open Educational Resources (OER). In this approach, educators and learners can freely access or redistribute educational resources that have been released online in the public domain under an open licence. Whereas this approach looks appealing in reducing learning costs, as well as in enhancing learning quality and facilitating knowledge sharing, several challenges might hinder the adoption of OER, such as locating and selecting the most appropriate resources among the thousands that are published and that are available online, and trusting them. This paper elaborates on those challenges and suggests an emerging technologies-based perspective for addressing the efficient inclusion of OER. To this end, this paper discusses how the integration of emerging yet essential technologies, such as Artificial Intelligence (AI) and blockchain, with big learning data and educational data mining algorithms could have a profound impact on enhancing OER-based learning and teaching. The dynamics of incorporating these technologies to solve several OER challenges are demonstrated through numerous examples, and the potential limitations are also discussed. The paper concludes with visions of the future, possible research challenges and directions. [ABSTRACT FROM AUTHOR]

Abstract: So far, research in computer-mediated collaboration has investigated various factors influencing the amount of social presence experienced in online settings. This experimental study broadens the perspective and investigates social presence as a causing factor on participants’ perception on task, medium and collaboration. Therefore an experiment with between subject design was conducted, with manipulation of three different levels of social presence: Full (f2f), medium online and low social presence (each n =20). Participants had to solve an online puzzle in dyads. Findings mainly confirm a favourable influence of social presence on the perception of task and collaboration. Additionally, this study supports the importance of considering the reciprocal nature of social presence. [ABSTRACT FROM AUTHOR]