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Unformatted text preview: complex language usage than children who do not. However, numerous treatments to help children overcome stuttering have been proposed. In one study, complexity in spontaneous speech was measured for children randomized into one of three treatment groups. Some children learned about lowering their anxiety before speaking (anxiety reduction group). Others spent time in individual practice with long sentences (individual practice). The control group received no treatment. There were 5 children in each group. The data are: a. What are the null and alternative hypotheses? (1 point) b. What are the between, within, and total degrees of freedom? (1 point) c. The researcher reports an observed F value of 3.4. Do you believe this? Why or why not? (1 point)...
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- Spring '05