This is a link to the full-text research article authored by Glenda A. Gunter, Robert F. Kenny and Erik H. Vick. The title is "Taking educational games seriously: using the RETAIN
model to design endogenous fantasy into standalone
educational games". The authors argue that for educational games to be effective, a new design paradigm needs to be utilized. They recommend the RETAIN design and evaluation model.
The article is published in Education Tech Research Dev (2008) 56:511-537 and the DOI is 10.1007/s11423-007-9073-2.