PARQR, a Piazza extension that recommends related posts while students compose questions, is associated with a 40% relative drop in duplicate posts in one online master's course, though causality is not established.
Kizilcec, Chris Piech, and Emily Schneider
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PARQR: Augmenting the Piazza Online Forum to Better Support Degree Seeking Online Masters Students
PARQR, a Piazza extension that recommends related posts while students compose questions, is associated with a 40% relative drop in duplicate posts in one online master's course, though causality is not established.