Frequency discrimination as a function of frequency and sensation level
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TL;DR
Frequency discrimination was measured and sensation level was measured using pulsed sinusoids as stimuli in an adaptive two‐interval force‐choice psychophysical procedure to evaluate the predictions of current theoretical models.
Abstract
Frequency discrimination was measured for frequencies from 200 to 8000 Hz and for sensation levels from 5 to 80 dB using pulsed sinusoids as stimuli in an adaptive two-interval force-choice psychophysical procedure. An analysis of variance indicated significant effects of frequency and sensation level, and of the interaction between frequency and sensation level. The effect of sensation level is greatest at low frequencies and decreases at high frequenices, being quite small at 8000 Hz. The data are used to evaluate the predictions of current theoretical models.