1. Agresti A (2007) An introduction to categorical data analysis, 2nd edn. Wiley-Interscience, Hoboken
2. Akkoyunlu B, Yılmaz-Soylu M (2008) Development of a scale on learners’ views on blended learning and its implementation process. Internet Higher Educ 11:26–32
3. Allison C, Campbell A, Davies CJ, Dow L, Kennedy S, McCaffery JP, Miller AHD, Oliver IA, Perera GIUS (2012) Growing the use of virtual worlds in education: an OpenSim perspective. In: Gardner M, Garnier F, Kloos CD (eds) Proceedings of the 2nd European immersive initiative summit. Paris, France, pp 1–13
4. Anasol PR, Callaghan V, Gardner M, Alhaddad MJ (2012) End-user programming and deconstrutionalism for co-creative laboratory activities in a collaborative mixed-reality environment. In: Gardner M, Garnier F, Kloos CD (eds) Proceedings of the 2nd European immersive education summit (EiED 2012), Departamento de Ingeniería Telemática, Universidad Carlos III de Madrid, Madrid, Spain, pp 171–182
5. Bainbridge WS (2007) The scientific research potential of virtual worlds. Science 317:472–476