Criterion differences when measuring threshold (Ben Hornsby )

Subject: Criterion differences when measuring threshold From: Ben Hornsby <ben.hornsby(at)VANDERBILT.EDU> Date: Wed, 21 Apr 2004 10:36:55 -0500 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4278C.9159E970 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello All, I'm looking for information about potential criterion differences = (during threshold testing and speech understanding testing) between young and elderly listeners. Specifically, is there evidence to suggest that a subject's criterion for responding "I heard it" can change when = measuring thresholds in noise versus thresholds in quiet and does this change vary between young and elderly? =20 Also any tip toward a reference discussing criterion differences between young and elderly on speech understanding tasks would be appreciated (I = have Jerger et al (1988) Effect of response criterion on measures of speech understanding in the elderly). =20 Thanks Much, =20 Ben =20 =20 Benjamin W.Y. Hornsby, Ph.D. Research Assistant Professor Vanderbilt Bill Wilkerson Center 1114 19th Avenue South Nashville, TN 37212 =20 Phone: 615-936-5132 e-mail: ben.hornsby(at)vanderbilt.edu =20 ------=_NextPart_000_0001_01C4278C.9159E970 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html> <head> <META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; = charset=3Dus-ascii"> <meta name=3DGenerator content=3D"Microsoft Word 10 (filtered)"> <style>  </style> </head> <body lang=3DEN-US link=3Dblue vlink=3Dpurple> <div class=3DSection1> Hello All, I’m looking for information about potential = criterion differences (during threshold testing and speech understanding testing) = between young and elderly listeners. Specifically, is there evidence to suggest = that a subject’s criterion for responding “I heard it” can = change when measuring thresholds in noise versus thresholds in quiet and does = this change vary between young and elderly?   Also any tip toward a reference discussing criterion differences between young and elderly on speech understanding tasks = would be appreciated (I have Jerger et al (1988) Effect of response criterion on measures of speech understanding in the elderly).   Thanks Much,   Ben     Benjamin W.Y. Hornsby, Ph.D. Research Assistant Professor Vanderbilt Bill Wilkerson Center 1114 19th Avenue South Nashville, TN 37212   Phone: 615-936-5132 e-mail: <a = href=3D"mailto:ben.hornsby(at)vanderbilt.edu">ben.hornsby(at)vanderbilt.edu</a>=   </div> </body> </html> ------=_NextPart_000_0001_01C4278C.9159E970--

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Electrical Engineering Dept., Columbia University