The CAL (Computer-Assisted Learning) Conference 2011, 2011-04-13
Annual Meeting of the American Educational Research Association, 2011-04-08
Annual Meeting of the American Educational Research Association, 2011-04-08
The 18th International Conference on Computers in Education, 2010-11-29
Australian Society for Computers in Learning in Tertiary Education Annual Conference, 2010-10-08
2010 Knowledge Building Summer Institute, 2010-08-03
The 9th International Conference of the Learning Sciences, page. 500 - 507, 2010-07-01
The 9th International Conference of the Learning Sciences, 2010-07-01
The 17th International Conference on Computers in Education, 2009-12-02