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The Psychophysics and Norms of the Seashore Measures of Musical Talents

The University of Auckland

The forced-choice psychophysical procedures of the Seashore Measures yield results that can vary from chance performance (usually 50% correct) to perfect performance (100% correct). These psychophysical procedures are well designed to assess sensory capacities and are commended by the theory of signal detection. The norms of the current version of the test, however, show percentile ranks that purport to distinguish between scores that can only represent chance performance. The norms of the 1939 edition do not do this and are, therefore, to be preferred to the current norms.

Educational and Psychological Measurement, Vol. 44, No. 4, 805-812 (1984)
DOI: 10.1177/0013164484444003


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