It is shown on a number of grounds that the findings described by Repp (1994) are uninterpretable in relation to those of Deutsch (1991) and Deutsch, North, and Ray (1990). First, the geographical correlates with perception of the tritone paradox obtained by Repp were based on data from subject populations that differed substantially from those studied by Deutsch (1991), and Repp's subject populations were also treated differently from each other. Second, Repp obtained substantial differences in perception of the tritone paradox depending on the spectral envelope under which the tones were generated; however, he attempted to correlate the data obtained from only one of these envelopes with pitch ranges for speech. Third, the procedures used by Repp to determine the pitch ranges for speech were problematic and inappropriate in the context of Deutsch's hypothesis.

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