DrSheffield Is a Clinical Psychologist Who Specializes in Treating Pathological

Dr.Sheffield is a clinical psychologist who specializes in treating pathological gambling.Pathological gambling is defined as being unable to resist impulses to gamble.Bothered by not having a good measure that he can give to clients to determine whether they are suffering from this condition,he creates a new measure of pathological gambling.The measure has 15 questions,and it takes 20 minutes to complete.

-Dr.Sheffield wants to establish the discriminant validity of his pathological gambling measure.He gives his measure and three others to a group of 100 people.Which of the following provides the best evidence for discriminant validity?

A) That his measure is not strongly correlated with a measure of impulsivity
B) That his measure is not strongly correlated with the number of friends people have
C) That his measure is strongly correlated with a measure of alcohol addiction
D) That his measure is strongly correlated with a measure of self esteem

Correct Answer:

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