Tag Archives: Internet

Optimal video length for student engagement is six minutes …

According to this report by Philip Guo, Juho Kim, and Rob Rubin, who studied student engagement with online courses offered by the edX consortium (edX’s Wikipedia here). Guo, Kim, and Rubin took all 862 educational videos from four edX courses offered in the fall of 2012 … Continue reading

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Internet Population Map (circa 2006)

Via the science journal Nature, this is what a political map of the world would look like if the size of each country were correlated with the size of its online population. Here is a more recent internet population map.

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