D. Fucci et al., MAGNITUDE-ESTIMATION SCALING - AN EFFECTIVE METHOD FOR THE MEASUREMENT OF THE QUALITY OF FILTERED SPEECH, Perceptual and motor skills, 78(1), 1994, pp. 348-350
17 subjects provided magnitude estimations in the form of quality judg
ments of a filtered speech stimulus which was a nonsense sentence cont
aining all of the consonants of English from Fairbanks. It was present
ed to subjects at 8 high-pass and 8 low-pass filtering conditions. Con
sistent magnitude estimations to the filtered stimulus were similar fo
r both conditions. Also, for both conditions, subjects' numerical resp
onses consistently increased in value as stimulus quality was judged t
o be poorer.