1 INVESTIGATING MULTIPLE SOURCE USE Investigating Multiple Source Use among Students with and without Dyslexia Anette Andresen, Øistein Anmarkrud, and Ivar Bråten University of Oslo, Norway Author Note Anette Andresen, Department of Special Needs Education, University of Oslo, Norway Øistein Anmarkrud, Department of Special Needs Education, University of Oslo, Norway Ivar Bråten, Department of Education, University of Oslo, Norway Thanks are due to Shane Colvin and Arild Moland for help in creating the learning materials, and to Ladislao Salmerón for statistical advice. Address for correspondence: Ivar Bråten, Department of Education, University of Oslo, P.O. Box 1092 Blindern, N-0317 Oslo, Norway. E-mail: ivar.braten@ped.uio.no