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The study investigated the effects of three different Black dialects on perceived speaker image by a Black audience. On the authoritativeness scale, results revealed a mixed reaction to the jive condition, a positive reaction to the straight condition, and a negative reaction to the uneducated condition. On the character scale, the three dialect conditions had practically no positive effect on reputation and little effect on perceived honesty and truth.
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Bock et al. (1975) studied this question.
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