Reducing Learning Disability Placements
In the average classroom, the teacher’s voice is usually only 5 dB louder than the background noise. However, for 100 percent understanding, normal hearing and English-speaking children need the teacher’s voice to be 12 dB louder than the background noise (Ross, 1978).
In 1985, classroom amplification systems were installed in 17 elementary classrooms. Additional classrooms were amplified each year. Since the first year of amplification implementation, learning disability placements have consistently dropped. In six years, learning disability placements dropped 40%.
Inquiries about this research can be directed to the Putnam County Office of Education in Ottawa, Ohio. The program directors are Jan Osborn, Ph.D., Daniel Vonder Embse, and Linda Graves.
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