“…Educationally, research has shown that even minimal degrees of hearing impairment can have far-reaching effects in terms of reading retardation and delay in other areas of academic achievement (Conrad, 1979; DiFrancesca, 1972). However, psychological investigations from the beginning of the century have failed to determine clearly the effects of auditory deprivation on cognitive processing (Anooshian & Bryan, 1979; Conrad, 1979; Das, 1984; Dillon, Snowman & Tzeng, 1980; Green, 1980; Hanson, 1982; McDaniel, 1980; Mott, 1900; Pintner & Patterson, 1917; Quigley & Kretschmer, 1982).…”