A Clinical Psychologist Is Interested in Comparing the Effectiveness of Short

question 54

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. Assume you are comparing cognitive/behavioral therapy with relaxation therapy, using the HSD test. The obtained value of the appropriate statistic is _________.

• A) t _obt = - 2.23
• B) Q _obt = 3.24
• C) Q _obt = - 3.15
• D) Q _obt = 5.25

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Definitions:

Time Value

The concept that money available at the present time is worth more than the same amount in the future due to its potential earning capacity.

Net Present Value

A method used in capital budgeting to assess the profitability of an investment or project by calculating the present value of its expected cash flows minus the initial investment cost.

Capital Budgeting

The process of making capital expenditure decisions in business.

Internal Reports

Financial or operational reports generated for internal use by the management and not for external stakeholders.