Binaural “loudness” summation: Probabilistic theory and data

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Describes a probabilistic theory formalizing the “loudness” summation hypothesis in the framework of a forced-choice paradigm. The basic notion of the theory is a choice probability P-sub(ax,by) where a pair ax of stimuli is judged louder than a pair by (a,b,x, and y are sound pressure values of a 6,000-Hz tone; a and b denote the left auditory channel stimuli, x and y denote the right). Three experiments involving 3 25–32 yr old experienced Ss are presented. Data are considered to strongly support 4 nonindependent hypotheses. (34 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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