Effects of synthetic speech output on the learning of graphic symbols by three adults with severe to profound mental retardation and communication impairments were evaluated. All participants achieved criterion learning using synthetic speech; two also reached criterion without synthetic speech, but the addition of synthetic speech resulted in…

Eighteen average readers and 18 less-skilled readers (grades 8 and 9) were presented with social studies and science passages via a computer either visually (on screen), auditorily (read by digitized voice), or bimodally (on screen, highlighted while being voiced). Less-skilled readers demonstrated comprehension in the bimodal condition equivalent…