Question: Random headache relief In Exercise 4 , you described how to use slips of paper and a random number generator to randomly assign 36 subjects

Random headache relief In Exercise 4 , you described how to use slips of paper and a random number generator to randomly assign 36 subjects to one of four treatments:

(1) antidepressant alone, (2) placebo alone, (3)

antidepressant plus stress management, and (4) placebo plus stress management.

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