If an Experimental Group's Mean of 20 Indicates Fewer Undesirable

question 22

Multiple Choice

If an experimental group's mean of 20 indicates fewer undesirable symptoms than the control group's mean of 25,and the standard deviation is 10,then the Cohen's d effect size should be reported as:

• A) + .50
• B) - .50
• C) +5.0
• D) - 5.0

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Definitions:

DSM Diagnosis

A process of identifying mental health disorders based on the criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders.

DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, which is a standardized classification of mental disorders used by mental health professionals in the United States.

Gambling Disorder

A disorder marked by persistent and recurrent gambling behavior, leading to a range of life problems.

Addictive Disorder

A mental health condition characterized by compulsive engagement in rewarding stimuli, despite adverse consequences.