Spectral weights in level discrimination by preschool children: synthetic listening conditions

The Journal of the Acoustical Society of America
M S WillihnganzF Wightman

Abstract

On most auditory discrimination and detection tasks young children perform more poorly than adults. The current experiment applies a technique which potentially can reveal the extent to which the adult-child performance difference results from suboptimal attentional strategies or simply greater internal noise in the children. In this experiment preschool children and adults were asked to discriminate between complex tones comprised of three random-amplitude sinusoidal components. A trial-by-trial correlational analysis [R. A. Lutfi, J. Acoust. Soc. Am. 97, 1333-1334 (1995)] provided an estimate of the weight listeners placed on the level information from individual spectral components in making the discrimination. The patterns of weights were interpreted as measures of "attentional strategy." Both children and adults produced reliable patterns of weights. This is an especially important result since measuring a single weighting pattern requires large numbers of trials and hence multiple sessions with the children. While individual weighting patterns were reliable, weighting patterns differed both within and across groups. Moreover, neither the children nor the adults produced weighting patterns that would maximize percent corre...Continue Reading

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Citations

Jun 2, 2001·The Journal of the Acoustical Society of America·L A Werner, K Boike
Jan 18, 2007·The Journal of the Acoustical Society of America·Robert A Lutfi, Walt Jesteadt
Feb 6, 2008·The Journal of the Acoustical Society of America·Benjamin Pedersen, Wolfgang Ellermeier
Feb 12, 2009·The Journal of the Acoustical Society of America·Emily BussJohn H Grose
Jun 7, 2007·The Journal of the Acoustical Society of America·Lori J LeiboldWalt Jesteadt
Dec 2, 2006·The Journal of the Acoustical Society of America·Emily BussJohn H Grose
Dec 13, 2005·The Journal of the Acoustical Society of America·Frederic L Wightman, Doris J Kistler
Apr 10, 2008·The Journal of the Acoustical Society of America·Lauren Calandruccio, Karen A Doherty
Aug 7, 2014·The Journal of the Acoustical Society of America·Walt JesteadtKendra K Schmid
May 1, 1997·The Journal of the Acoustical Society of America·M A StellmackR A Lutfi
May 11, 2002·The Journal of the Acoustical Society of America·Pavel Zahorik
Dec 18, 2004·The Journal of the Acoustical Society of America·Donna L Neff, Eric C Odgaard
Nov 10, 2004·The Journal of the Acoustical Society of America·Joshua M Alexander, Robert A Lutfi
Jun 17, 2005·The Journal of the Acoustical Society of America·Raymond H DyeNoah F Jurcin
Jun 26, 2003·The Journal of the Acoustical Society of America·Reinier KortekaasMary Florentine

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