| |
Journal of Universal Computer Science, Vol. 10, No. 3. (2004), pp. 205-226.
|
| |
|
| |
Computers in Human Behavior, Vol. 25, No. 1. (January 2009), pp. 56-65.
|
| |
|
| |
|
| |
International Journal of Web Based Communities, Vol. 4, No. 4. (2008), pp. 434-458.
|
| |
|
| |
In Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications 2007 (June 2007), pp. 1897-1901.
|
| |
In Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications 2004 (2004), pp. 2720-2724.
|
| |
REVIEW OF EDUCATIONAL RESEARCH, Vol. 74, No. 4. (1 January 2004), pp. 557-576.
|
| |
The East Asian Learner, Vol. 1, No. 2. (November 2004)
|
| |
International Journal of Educational Research, Vol. 37, No. 5. (2002), pp. 425-447.
|
| |
Journal of Educational Psychology, Vol. 99, No. 4. (November 2007), pp. 808-820.
|
| |
Applied Animal Behaviour Science In Too many, too few: The effects of group size and density in captive animals, Vol. 103, No. 3-4. (20 March 2007), pp. 215-228.
|
| |
|
| |
|
| |
Communication Research, Vol. 28, No. 1. (1 February 2001), pp. 48-78.
|
| |
|
| |
Cognitive Systems Research, Vol. 1, No. 3. (October 2000), pp. 161-174.
|
| |
Usability Interface (April 2002)
|
| |
|
| |
|
| |
|
| |
Computers & Education, Vol. In Press, Corrected Proof
|
| |
The Psychological Review, Vol. 55, No. 4. (1948), pp. 189-208.
|
| |
|
| |
|
| |
In Proceedings of the World Conference on Educational Multimedia, Hypermedia & Telecommunications (Edmedia) (June 2000)
|
| |
International Journal of Educational Research, Vol. 31, No. 7. (1999), pp. 611-623.
|
| |
Journal of Educational Psychology, Vol. 96, No. 3. (2004), pp. 558-568.
|
| |
Computers & Education, Vol. 25, No. 1-2. (September 1995), pp. 31-40.
|
| |
Computers & Education, Vol. 50, No. 3. (April 2008), pp. 881-893.
|
| |
|
| |
The Journal of the Learning Sciences, Vol. 41, No. 1. (1995), pp. 39-103.
|
| |
Learning and Instruction In Methodological Challenges for Collaborative Learning Research, Vol. 17, No. 4. (August 2007), pp. 460-464.
|
| |
|
| |
|
| |
Social Science Research Network Working Paper Series (April 2000)
|
| |
Social Science Research Network Working Paper Series (13 November 2001)
|
| |
Social Science Research Network Working Paper Series (5 October 2007)
|
| |
Journal of Sleep, Vol. 31, No. 2. (2008)
|
| |
Wiener Klinische Wochenschrift, Vol. 120, No. 1. (1 January 2008), pp. 37-45.
|
| |
|
| |
|
| |
In Campus 2004. Kommen die digitalen Medien in die Jahre? (2004), pp. 133-144.
|
| |
|
| |
|
| |
Computers & Education, Vol. 49, No. 3. (November 2007), pp. 891-915.
|
| |
Computers in Human Behavior, Vol. 23, No. 4. (July 2007), pp. 2040-2063.
|
| |
|