A Clinical Psychologist Is Interested in Comparing the Effectiveness of Short

question 68

Multiple Choice

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. Doing planned comparisons, using a = 0.05, what is your conclusion?

• A) accept H 0 ; the two therapies are equal in effectiveness
• B) retain H 0 ; we cannot conclude the two therapies differ in effectiveness
• C) reject H 0 ; the groups are not significantly different
• D) reject H 0 ; the two therapies appear to be differentially effective

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Definitions:

Geographic Divisions

A type of organizational structure where operations are segmented based on geographical locations, allowing for localized strategies and decisions.

Direct Supervision

A management style where a supervisor closely oversees and controls the work processes and tasks of subordinates, often including immediate feedback.

Standardization of Outputs

Standardization of Outputs refers to the process of making products, services, or processes uniform or consistent across a company or industry, to ensure quality and efficiency.

Geographic Divisions

Organizational subdivisions based on geographical areas, allowing companies to address local market needs more effectively.