Relative effectiveness of three stimulus variables for locating a moving sound source.

Number 598
Year 1987
Drawer 10
Entry Date 11/17/1999
Authors Rosenblum, L. D., Carello, C., & Pastore, R. E.
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Publication Perception, Vol. 16, 175-187.
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Abstract When interaural temporal differences, the Doppler effect, and amplitude change were presented in isolation to 13 undergraduates, each subject was successful in indicating when a simulated moving sound source passed. These 3 variables were put into competition (with each indicating that closest passage occurred at a different time) to determine their relative importance. Amplitude change dominated interaural temporal differences, which, in turn, dominated the Doppler effect. Results are discussed in terms of the possibility that Ss based their judgments on the potential discriminability of each stimulus variable or on the independence of a stimulus variable from different environment situation conditions. The dominance ordering obtained supports the 2nd interpretation.
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