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A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient. SSwithin = _________.
National Farm Workers Association
An organization formed in 1962 to improve the working and living conditions of farm workers in the United States, later becoming part of the United Farm Workers labor union.
Environmental Protection Agency
An independent executive agency of the United States federal government tasked with environmental protection matters and regulating environmental policies.
Legislation
Laws or legal statutes passed by a governing body, such as a parliament or congress, intended to regulate, authorize, outlaw, or otherwise direct social behavior.
American Culture
The set of customs, traditions, language, legal and political systems, and social norms that characterize the United States and its inhabitants.
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