TY - GEN AU - Watkins,L T AU - Sprafkin,J N AU - Krolikowski,D M TI - Effects of video based training on spoken and signed language acquisition by students with mental retardation SN - 0891-4222 PY - 1990///1016 KW - Adolescent KW - Adult KW - Audiovisual Aids KW - Child KW - Child, Preschool KW - Curriculum KW - Education of Persons with Intellectual Disabilities KW - Female KW - Humans KW - Language Development Disorders KW - therapy KW - Male KW - Manual Communication KW - Sign Language KW - Speech Therapy KW - Vocabulary N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0891-4222(90)90013-x ER -