Godfrey Parkin seeks to poke some holes in recent educational theory: "Engagement is intense mental absorption; interactivity is often just busyness or sugar-coating." Well, sure, intently reading a book or a technical manual is of more pedagogical value than idle chit-chat or time-filling ice-breaking activities. But that merely makes the observation that not all interaction is equal. From a communications-theoretic standpoint you can measure this by measuring the amount of information transmitted; from a network perspective you can gauge the impact on one's interpretation of patterns of events. In this commentary, Albert Ip offers a set of useful suggestions to engender meaningful interaction.
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