Nonvocal language acquisition in adolescents with severe physical disabilities: Bliss symbol versus iconic stimulus formats.

@article{Hurlbut1982NonvocalLA,
  title={Nonvocal language acquisition in adolescents with severe physical disabilities: Bliss symbol versus iconic stimulus formats.},
  author={B I Hurlbut and Brian A. Iwata and J Douglas Green},
  journal={Journal of applied behavior analysis},
  year={1982},
  volume={15 2},
  pages={241-58}
}
This study compared training in two language systems for three severely handicapped, nonvocal adolescents: the Bliss symbol system and an iconic picture system. Following baseline, training and review trials were implemented using an alternating treatments design. Daily probes were conducted to assess maintenance, stimulus generalization, and response generalization, and data were collected on spontaneous usage of either language system throughout the school day. Results showed that students… CONTINUE READING