Schwarz, B. B., Asterhan, C. S. C., Weinberger, A., Stegman, K., Fisher, F., Wichman, A., Harrer, A., et al. (2008). Inter- and intra-subjective planes of e-argumentation: Motivation, self-perception, expectations and actual interlocutory behavior. (G. Kanselaar, van Merrienboer, J., Kirschner, P., & de Jong, T., Eds.)Proceedings of the International Conference of the Learning Sciences - ICLS 2008. ISLS.