A Nonparametric Method to Compare Two Populations,when the Samples Are

question 123

Multiple Choice

A nonparametric method to compare two populations,when the samples are matched pairs and the data are interval,and where the normality requirement necessary to perform the parametric test is unsatisfied,is the:

• A)Wilcoxon rank sum test.
• B)sign test.
• C)matched pairs t-test.
• D)Wilcoxon signed rank sum test.

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Definitions:

Treatment

Medical care given to a patient for an illness or injury, aiming to relieve symptoms or cure the condition.

Psychosurgery

A branch of neurosurgery involving the destruction or alteration of specific areas of the brain to treat psychological or behavioral disorders.

Psychopharmacology

The study of how drugs affect the human mind and behaviors, focusing on the use of pharmaceuticals in treating mental health issues.

Electroconvulsive Therapy

A psychiatric treatment involving electrically induced seizures, used primarily for severe depression and certain other mental disorders.