Level IVa Evidence

Group Research / Subjects who rely on AAC

Case series and registries without control group

 

 

Light, J.C., Binger, C., Agate, T.L., & Ramsay, K.N. (1999). Teaching partner-focused questions to individuals who use augmentative and alternative communication to enhance their communicative competence. Journal of Speech, Language, and Hearing Research, 42, 241-255.