Weber-Fechner law

5.64  Weber-Fechner law. Equal stimulus ratios correspond to equal sensation differences. Now largely replaced by the psychophysical power law, see...

trial

5.63  trial. Sequence of events during an experimental session in which a subject (or subjects) is presented a stimulus set and the resulting response set is recorded. Annotation 1      In a psychophysical experiment the sequence of...

transition region

5.62  transition region. Region of a psychometric function in which the performance measure along the response dimension changes from that obtainable by chance to some near-maximum...

threshold of tickle

5.61  threshold of feeling; threshold of tickle. For a specified signal, minimum time-average sound pressure level (see A3.15) of that signal at the entrance to the external acoustic meatus which, in a specified fraction of the trials, will stimulate the ear...

threshold of feeling

5.61  threshold of feeling; threshold of tickle. For a specified signal, minimum time-average sound pressure level (see A3.15) of that signal at the entrance to the external acoustic meatus which, in a specified fraction of the trials, will stimulate the ear...