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Ratings (mean and + 1 SD) of sound localization ability on eight tasks by groups of people with normal hearing and two degrees of hearing-impairment (four-frequency average HTLs less than or greater than 50 dB). Bars indicate one SD and arrows show where the mean rating plus one SD exceeded the maximum rating of “4”. Reprinted with permission from J Am Acad Audiol (Noble et al, 1995).
