| Affiliation: | 1. WestEd, United States;2. Texas Christian University, United States;1. University of Colorado, Boulder, United States;2. University of Southern California, United States;1. University of Twente, The Netherlands;2. University of Groningen, GION Education/Research, The Netherlands;1. University of Twente, Department of Research Methodology, Measurement and Data Analysis, P.O. Box 217, 7500 AE, Enschede, The Netherlands;2. University of Twente, Department of ELAN, Department of Teacher Development, P.O. Box 217, 7500 AE, Enschede, The Netherlands;1. University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;2. University of Twente, ELAN, P.O. Box 217, 7500 AE Enschede, The Netherlands;3. Learning Sciences Institute Australia, GPO Box 2587, Brisbane, QLD 4001, Australia;4. University of Twente, OMD, P.O. Box 217, 7500 AE Enschede, The Netherlands |
