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Conversational samples were elicited from 3-, 4-, and 5-year-old normal-speaking children. Speech rates were measured per age group by the traditional overall method and by the articulatory rate method, which uses only fluent sequences. No statistically significant differences in speaking rate were observed across the three age groups. The clinical utility of normative rates is discussed with regard to fluency assessment and intervention.
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Pindzola et al. (1989) studied this question.
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