1. Shamila Janakiraman is Visiting Faculty in the Learning Design and Technology Programme, Department of Curriculum and Instruction at Purdue University, West Lafayette, IN, USA.
2. Sunnie Lee Watson is Associate Professor in Learning Design and Technology, Purdue University, West Lafayette, IN, USA.
3. William R. Watson is Associate Professor in Learning Design and Technology, Purdue University, West Lafayette, IN, USA.
4. Daniel P. Shepardson is Professor of Geo-environmental and Science Education, Departments of Learning Design and Technology, and Earth, Atmospheric and Planetary Sciences, Purdue University, IN, USA.