Subject: Re: ADAPTIVE SAME-DIFFERENT Procedures? From: Jeremy Gaston <jgaston1@xxxxxxxx> Date: Thu, 18 May 2006 12:33:11 -0400See: Levit, H. (1971). Transformed up-down methods in psychoacoustics. Journal of the Acoustical Society of America, 49(2), 467-477. Jeremy Gaston Dept. of Psychology Binghamton University Manon Grube wrote: > Hi all, > > I am not sure if I've only not come across it, or if there really isn't > much out there on > Combining an ADAPTIVE tracking with a SAME or DIFFERENT decision (where > there are equal numbers of same and different trials) - NOT with an ODD > ONE OUT decision (where there is always a, albeit declining, > difference)? > > My best guess at the moment is that a classical 2 down 1 up tracking > algorithm for example could be turned into a 1 different and 1 same > correct (hit and correct rejection) to get one level down and, 1 wrong, > be it same or different (false alarm or miss), to move one level up. > > > Thanks a lot for any comments and references on this! > > Cheers > Manon > > > > > Manon Grube > > Research Associate > Auditory Research Group > Medical School > University of Newcastle-upon-Tyne > Framlington Place > NE2 4HH > UK > > phone + 44 191 222 3445 > >