Affiliation: | 1. University of Copenhagen, Department of Education, Philosophy and Rhetoric , Njalsgade 80, DK‐2300 Copenhagen S, Denmark;2. University of Jyv?skyl?, Department of Education , PO Box 35, Fin‐40351 Jyv?skyl?, Finland;3. University of Akureyri , Hamarsstigur 31, IS‐600 Akureyri, Iceland;4. University of Oslo, Institute for Educational Research , PO Box 1092, Blindern, N‐0317 Oslo, Norway;5. Uppsala University, Institute of Education, Centre for Curriculum Theory , PO Box 2136, S‐750 02, Uppsala, Sweden |