Psychological and educational researchers in the Scandinavian countries have cooperated in a research effort relating to children's learning disabilities for more than a decade. Support has come from the federal governments and other funding agencies in Norway, Sweden, and Denmark through the Secretariat for Scan- dinavian Cultural Cooperation. A number of independent studies have already been published, dealing with various aspects oflearning disabilities in the literacy skills of reading and writing. The largest and most comprehensive study was the Bergen Project, a longitudi- nal study of...