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Abstract The developments of the Web have generated new modalities and contexts of learning, shaping what is nowadays called “Learning 2.0”. Within this new phenomenon it arises a trend of moving out from the linearity of written word toward new multimedia complexities, that lead to a parallel semiotic complexity lying behind them. Understanding the above […]
During the course of several natural disasters in recent years, Twitter has been found to play an important role as an additional medium for many–to–many crisis communication. Emergency services are successfully using Twitter to inform the public about current developments, and are increasingly also attempting to source first–hand situational information from Twitter feeds (such as […]
Abstract The goal of this study is to further corroborate a hypothesized population parameter for the frequencies of social presence versus the sum of teaching presence and cognitive presence as defined by the community of inquiry model in higher education asynchronous course forums. This parameter has been found across five variables: academic institution (distance university […]
