1. Department of Educational Leadership, Northern Arizona University, Flagstaff, Arizona, USA
2. Department of Educational Leadership and Policy Studies, Florida State University, Tallahassee, Florida, USA
3. Learning and Cognition Lab, Arizona State University, Tempe, Arizona, USA
4. Department of Curriculum and Instruction, University of Illinois Urbana-Champaign, Champaign, Illinois, USA
5. Department of Instructional Technology and Learning Sciences, Utah State University, Logan, Utah, USA