Question: a. What is the null hypothesis for Exercise 11.64? b. What is the alternative hypothesis for Exercise 11.64? Data from exercise 11.64 A clinical psychologist

a. What is the null hypothesis for Exercise 11.64?
b. What is the alternative hypothesis for Exercise 11.64?

Data from exercise 11.64

A clinical psychologist wanted to compare three treatments for generalized anxiety disorder (GAD). She put an ad in the local paper to find people with GAD. She matched them into groups of three, based on severity of symptoms, and randomly assigned each of the matched cases to one of the three treatments. Treatment was administered individually. Outcome was assessed at the end of treatment using an interval-level measure of generalized anxiety.

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