The identifiability of sounds used in the Meaningful Sounds Identification test was measured. Identifiability was quantified with a measure of identification uncertainty. Calculation of this measure involves sorting the identification responses into categories of similar causes. Two exemplar sets of the sounds were used and the response data were analyzed separately by two sorters. All of the sounds were not highly identifiable, as was expected given the use of the test. The results were comparable for the two set of exemplars, and for the two sorters. The results demonstrate the importance of quantifying sound identifiability.
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