Institution: | 1.Physics Education Research, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20, Uppsala, Sweden ;2.Centre for Gender Research, Uppsala University, Box 527, SE-751 20, Uppsala, Sweden ;3.Department of Mathematics and Science Education, Stockholm University, SE-106 91, Stockholm, Sweden ;4.Department of Education, Uppsala University, Box 2136, SE-750 02, Uppsala, Sweden ; |