A Psychologist Developed a New Measure of "Stage Fright

question 46

Multiple Choice

A psychologist developed a new measure of "stage fright." He gave the test to 30 students and divided them into those scoring high and those scoring low. Next, he watched the students for signs of anxiety just before each was to give a talk in front of a class. What was the psychologist trying to establish by watching the students before their talk?

• A) Internal consistency
• B) Behavioral validation
• C) Discriminant validity
• D) Test retest reliability

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Definitions:

Present Value

The present-day value of a sum of money or cash flows expected in the future, determined by a specific rate of return.

Income Stream

A series of incoming payments over a specified period, often from investments or work.

Full Cost

The total cost of production that includes all direct and indirect costs, such as manufacturing and overhead expenses.

Marginal Product

The additional output produced as a result of adding one more unit of a specific input, while holding other inputs constant.