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These settings provide the UWEC graduate student with extensive opportunities to learn and practice clinical skills while directly supervised by licensed and / or certified clinical faculty from the school psychology program and other professional training programs such as Communication Disorders ; Special Education ( Learning Disabilities , Emotional Disturbance , and Early Childhood ) ; Elementary Education-Reading ; and Nursing . The mission of the American Speech-Language-Hearing Association is to promote the interests of and provide the highest quality services for professionals in audiology ; speech-language pathology ; and speech , language , and hearing science , and to advocate for people with communication disabilities . In all probability , a less - supportive environment , coupled with communication difficulties , will result in lower productivity . Defining terms and delimiting focus is only one step of the research process in the study of communication settings and their relationship to the performance of distributed groups ; the interaction of the variables both from a descriptive and predictive sense must also be considered . These and other TRS provisions are mandated under Title IV of the Americans with Disabilities Act. Traditionally , people with communication disabilities used a TTY by placing a telephone handset in an acoustic modem on top of the TTY . Barbara Davis is professor of communication sciences and disorders in the College of Communication . A telecommunications relay service ( TRS ) is essentially a telephone interpreting service for people with communication disabilities .