 Malling-Hansen also saw to it that the newest pedagogical method, the speech method (reading of the lips) was put into use for the group called the not originally deaf; those who had a limited hearing ability and could also speak.The sign method was still to be used when teaching the group called the originally deaf, those who had no hearing ability and no language, and the mentally retarded.Together with the Keller Institutions, the Royal Institute divided these groups between them.