- ICLS 2, page 262-270. International Society of the Learning Sciences, (2008)
- ICLS 1, page 468-475. International Society of the Learning Sciences / ACM DL, (2010)
- CSCL, page 679-680. International Society of the Learning Sciences, (2002)
- CSCL, page 247-251. International Society of the Learning Sciences, (2005)
- CSCL, page 295-303. International Society of the Learning Sciences / ACM DL, (2007)
- CSCL, page 833-834. International Society of the Learning Sciences / ACM DL, (2007)
- CSCL, page 323-325. International Society of the Learning Sciences / ACM DL, (2007)
- CSCL, page 421-430. International Society of the Learning Sciences / ACM DL, (2007)
- CSCL 2, page 218. International Society of the Learning Sciences, (2009)
- Learning, Media and Technology 36(2):129-149 (2011)
- (2006)
- the Journal of Instructional Science (forthcoming)
- International Journal of Learning Technology 6(1):4-23 (2011)
- Nucleic Acids Research 30(1):35-37 (2002)
- IJLT 6(1):4-23 (2011)
- ISSPIT, page 177-181. IEEE, (2010)
- Computers in Human Behavior 25(5):1067-1078 (2009)
- Handbook of design research methods in education, Routledge, New York, (2009)
- Proceedings of The Future of Learning Design Conference, page 13-19. (2010)
- Human Factors 49(2):227-242 (2007)


author