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Journal of Speech and Hearing Research Vol.36 842-849 August 1993.
© American Speech-Language-Hearing Association
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Developmental Patterns of Duration Discrimination

Jill L. Elfenbein 1
Arnold M. Small 1

Julia M. Davis 2
1 The University of Iowa, Iowa City
2 University of Minnesota, Minneapolis

The purpose of this study was to determine whether the auditory perceptual abilities of children are characterized by an age-related improvement in duration discrimination. Forty children, ages 4 to 10 years, and 10 adults served as subjects. Difference limens were obtained using a 350-msec broadband noise burst as the standard stimulus in a three-interval forcedchoice paradigm. Data were characterized by significant differences between the performances of the 4-, 6-, and 8-year-olds and those of the adults. Acquisition of adult-like discrimination performance was demonstrated between the ages of 8 and 10 years.

KEY WORDS: duration, discrimination, developmental, children, psychoacoustics

Submitted on September 21, 1992
Accepted on March 25, 1993


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