One of the central challenges educators face today, especially in higher education, is the gap between warranted (domain-specific) knowledge and the prior beliefs students hold about certain concepts and phenomena (preconceptions). In the Internet age, students often self-directedly acquire knowledge from an increasingly large number of…

PHelpS was a system that helped Correctional Service Canada (CSC) workers to find appropriate helpers among their peers when they were encountering problems while interacting with the CSC database. This seemingly simple system had substantial, and surprising, ramifications. Over time it transformed each of our perspectives as to the issues facing…