Authors: Allgood MH, Heller KW, Easterbrooks SR, Fredrick LD
Title: Use of picture dictionaries to promote functional communication in students with deafness and intellectual disabilities
Source: Communication Disorders Quarterly 2009 31(1): 53-64
Year: 2009
Research Design: Single Case Design

A mismatch of communication modalities can occur between students who communicate using sign language and coworkers at community-based vocational sites who do not use sign language. This study investigated the use of picture dictionaries to facilitate note writing as a form of expressive communication for students who were deaf and had mild to moderate intellectual disabilities. Students were systematically taught to use their picture dictionaries to initiate requests using the system of least prompts and the environmental arrangement strategy. A multiple baseline probe design was used. All students were able to successfully use the picture dictionaries to promote communication initiations. Implications regarding using the picture dictionaries for communication and for improving spelling of target vocabulary are discussed.

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