Meanings of psychometric functions in English

Unmasked speech elicited faster responses and sharper psychometric functions, which steadily declined in noise.

As we found that psychometric functions were steeper for the single than for the roving tasks, we concluded that perceptual errors are dominant.

Psychometric functions plotting sensitivity as a function of degree of mistuning were used to evaluate behavioral performance using signal detection theory.

Psychometric functions and minimum audible angles were measured in the upper hemifield for 500-, 200-, and 40-ms noise bursts.