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. Author manuscript; available in PMC: 2012 Oct 11.
Published in final edited form as: J Acoust Soc Am. 1999 Oct;106(4 Pt 1):2074–2085. doi: 10.1121/1.427952

TABLE III.

Mean intelligibility scores for each speaking rate in the first and fourth quartile.

First quartile Fourth quartile
slow 90.80 92.90
medium 90.05 93.04
fast 85.98 89.67