(Answered) Adults who stutter responses to cognitive stress published

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"Adults Who Stutter: Responses to Cognitive Stress," published in the Journal of Speech and Hearing Research in 1994, reported speech rate, in words per minute, for nine stutterers under conditions of stress.¹ Which form of inference should be performed first: a confidence interval for population mean difference in speech rates (stress versus normal conditions), or a hypothesis test to determine if conditions of stress affect speech rates of stutterers in general?

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