Titlebook: Online Teaching and Learning in Higher Education; Pedro Isaias,Demetrios G. Sampson,Dirk Ifenthaler Book 2020 Springer Nature Switzerland

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the modularisation and parameterisation constructs of VVSL is outlined. Their meaning is informally described by giving an intuitive explanation and by outlining the translation to COLD-K. It is explained in some detail how sharing of hidden state variables is modelled. Examples of the use of the mo

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Ketia Kellen Araújo Da Silva,Patricia Alejandra Behartudy some of their basic properties..The second part of the paper is devoted to the development of a formal deductive system of inference rules for a three-valued logic. We use the method of semantic tableaux (slightly modified to deal with three-valued formulas) to develop a Gentzenstyle system of

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Dirk Ifenthaler,David Gibson,Longwei Zheng (i.e., direct manipulation only), while the second allowed bimodal interaction. An improvement of over 15% in the subjects‘ working-speed was attained with the bimodal interface. Further, no significant increase in their cognitive workload was observed. Our results suggest that speech may be a viab

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