ON PREDICTING EXPONENTS FOR CROSS-MODALITY MATCHES

被引:52
作者
STEVENS, SS
机构
[1] Laboratory of Psychophysics, Harvard University, Cambridge, 02138, Massachusetts, William James Hall
来源
PERCEPTION & PSYCHOPHYSICS | 1969年 / 6卷 / 04期
关键词
D O I
10.3758/BF03207028
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Mashhour and Hosman used magnitude estimations to scale seven continua: line length, time duration, finger span, loudness of noise, weight, gray reflectance, and surface area. The first four continua also served as the adjusted stimuli in 17 cross-modality matches among the various continua. Contrary to the view expressed by Mashhour and Hosman, the results appear to support the psychophysical power law. A reanalysis of the data shows that the exponents of the power functions obtained in cross-modality matches agree with the exponents of the power functions produced by magnitude estimations, provided correction is made for the regression effect. The measured discrepancies between the exponents predicted and those actually obtained show scatter that is consistent with that of other experiments. In particular, the scatter accords well with the distribution of 68 exponents predicted by Moskowitz from experiments in which Os matched both number and loudness to various taste concentrations. © 1969 Psychonomic Journals, Inc.
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页码:251 / &
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