1. Education, Health, and Behavior Studies, University of North Dakota, Grand Forks, North Dakota, USA
2. Department of Learning Sciences, Georgia State University, Atlanta, Georgia, USA
3. Department of Psychology and Criminal Justice, Middle Georgia State University, Macon, Georgia, USA
4. Department of Educational Psychology, University of Minnesota, Minneapolis, Minnesota, USA
5. School of Education, California State University, Chico, California, USA