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Analysing Users' Interactions with Khan Academy Repositories (Paperback, 1st ed. 2021)
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Analysing Users' Interactions with Khan Academy Repositories (Paperback, 1st ed. 2021)
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This book addresses the need to explore user interaction with
online learning repositories and the detection of emergent
communities of users. This is done through investigating and mining
the Khan Academy repository; a free, open access, popular online
learning repository addressing a wide content scope. It includes
large numbers of different learning objects such as instructional
videos, articles, and exercises. The authors conducted descriptive
analysis to investigate the learning repository and its core
features such as growth rate, popularity, and geographical
distribution. The authors then analyzed this graph and explored the
social network structure, studied two different community detection
algorithms to identify the learning interactions communities
emerged in Khan Academy then compared between their effectiveness.
They then applied different SNA measures including modularity,
density, clustering coefficients and different centrality measures
to assess the users' behavior patterns and their presence. By
applying community detection techniques and social network
analysis, the authors managed to identify learning communities in
Khan Academy's network. The size distribution of those communities
found to follow the power-law distribution which is the case of
many real-world networks. Despite the popularity of online learning
repositories and their wide use, the structure of the emerged
learning communities and their social networks remain largely
unexplored. This book could be considered initial insights that may
help researchers and educators in better understanding online
learning repositories, the learning process inside those
repositories, and learner behavior.
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