Exam 3 Quiz

Which of the following is NOT possible?

A measure is valid but not reliable.

In which of the following ways are content and face validity similar?

Both involve subjective judgements.

Asking many similar questions when trying to measure a concept is done to:

Cancel out measurement error.

Dr. Sheffield gives his measure to his supervisor, who is also an expert in pathological gambling. His supervisor says that his measure appears to test all the components of pathological gambling, including feeling restless when attempting to stop gambling, jeopardizing jobs in order to keep gambling, and using gambling to escape from problems and a bad mood. Given this information, Dr. Sheffield's measure has evidence of which of the following?

Content Validity

A correlation-based statistic called __________ is commonly used to determine internal reliability/

Cronbach's Alpha

Another word for discriminant validity is ___________ validity.

Divergent

How many subcategories of quantitative variables exist?

Three

Which of the following is NOT an example of physiological measurement?

Number of panic attacks a patient reports.

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. If Dr. Sheffield's measure does not actually measure pathological gambling, his measure is said to lack which of the following?

Validity

Dr. Sheffield has decided to test the discriminant validity of his new measure. He has a group of first-time Gamblers Anonymous (GA) attendants complete his measure and finds that they score higher than a group of people who do not attend the group. Which of the following results would provide evidence for discriminant validity?

He finds that the measure of gambling is not correlated with a measure of life satisfaction in the same two groups of people.